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49285872240 = 24351122383717
BaseRepresentation
bin101101111001101010…
…101011101001110000
311201012211001201111120
4231321222223221300
51301414140402430
634350331142240
73363231000423
oct557152535160
9151184051446
1049285872240
11199a1654320
1296758a4980
134855b25017
1425579599ba
151436d31610
hexb79aaba70

49285872240 has 160 divisors (see below), whose sum is σ = 167425284096. Its totient is φ = 11894369280.

The previous prime is 49285872239. The next prime is 49285872241. The reversal of 49285872240 is 4227858294.

It is an interprime number because it is at equal distance from previous prime (49285872239) and next prime (49285872241).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49285872241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546862 + ... + 630578.

Almost surely, 249285872240 is an apocalyptic number.

49285872240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49285872240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83712642048).

49285872240 is an abundant number, since it is smaller than the sum of its proper divisors (118139411856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49285872240 is a wasteful number, since it uses less digits than its factorization.

49285872240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83967 (or 83961 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 49285872240 in words is "forty-nine billion, two hundred eighty-five million, eight hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 223 240 264 330 440 446 528 660 669 880 892 1115 1320 1338 1784 2230 2453 2640 2676 3345 3568 4460 4906 5352 6690 7359 8920 9812 10704 12265 13380 14718 17840 19624 24530 26760 29436 36795 39248 49060 53520 58872 73590 83717 98120 117744 147180 167434 196240 251151 294360 334868 418585 502302 588720 669736 837170 920887 1004604 1255755 1339472 1674340 1841774 2009208 2511510 2762661 3348680 3683548 4018416 4604435 5023020 5525322 6697360 7367096 9208870 10046040 11050644 13813305 14734192 18417740 18668891 20092080 22101288 27626610 36835480 37337782 44202576 55253220 56006673 73670960 74675564 93344455 110506440 112013346 149351128 186688910 205357801 221012880 224026692 280033365 298702256 373377820 410715602 448053384 560066730 616073403 746755640 821431204 896106768 1026789005 1120133460 1232146806 1493511280 1642862408 2053578010 2240266920 2464293612 3080367015 3285724816 4107156020 4480533840 4928587224 6160734030 8214312040 9857174448 12321468060 16428624080 24642936120 49285872240