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49286380 = 225111319907
BaseRepresentation
bin1011110000000…
…0110011101100
310102202000012111
42330000303230
5100104131010
64520213404
71135633033
oct274006354
9112660174
1049286380
1125903650
121460a264
13a298650
14678d71a
1544d858a
hex2f00cec

49286380 has 96 divisors (see below), whose sum is σ = 128136960. Its totient is φ = 15655680.

The previous prime is 49286351. The next prime is 49286381. The reversal of 49286380 is 8368294.

It is not an unprimeable number, because it can be changed into a prime (49286381) 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, 53887 + ... + 54793.

It is an arithmetic number, because the mean of its divisors is an integer number (1334760).

Almost surely, 249286380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49286380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64068480).

49286380 is an abundant number, since it is smaller than the sum of its proper divisors (78850580).

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

49286380 is a wasteful number, since it uses less digits than its factorization.

49286380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 49286380 is about 7020.4259130056. The cubic root of 49286380 is about 366.6420791594.

The spelling of 49286380 in words is "forty-nine million, two hundred eighty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 13 19 20 22 26 38 44 52 55 65 76 95 110 130 143 190 209 220 247 260 286 380 418 494 572 715 836 907 988 1045 1235 1430 1814 2090 2470 2717 2860 3628 4180 4535 4940 5434 9070 9977 10868 11791 13585 17233 18140 19954 23582 27170 34466 39908 47164 49885 54340 58955 68932 86165 99770 117910 129701 172330 189563 199540 224029 235820 259402 344660 379126 448058 518804 648505 758252 896116 947815 1120145 1297010 1895630 2240290 2464319 2594020 3791260 4480580 4928638 9857276 12321595 24643190 49286380