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49045680 = 24325174007
BaseRepresentation
bin1011101100011…
…0000010110000
310102021210000200
42323012002300
5100023430210
64511115200
71133611215
oct273060260
9112253020
1049045680
1125759822
1214512b00
13a212c18
146729b0c
15448c0c0
hex2ec60b0

49045680 has 120 divisors (see below), whose sum is σ = 174444192. Its totient is φ = 12306432.

The previous prime is 49045679. The next prime is 49045681. The reversal of 49045680 is 8654094.

49045680 is a `hidden beast` number, since 4 + 90 + 4 + 568 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (49045679) and next prime (49045681).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49045681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10237 + ... + 14243.

Almost surely, 249045680 is an apocalyptic number.

49045680 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 49045680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87222096).

49045680 is an abundant number, since it is smaller than the sum of its proper divisors (125398512).

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

49045680 is a wasteful number, since it uses less digits than its factorization.

49045680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49045680 is about 7003.2620970516. The cubic root of 49045680 is about 366.0442479873.

The spelling of 49045680 in words is "forty-nine million, forty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 68 72 80 85 90 102 120 136 144 153 170 180 204 240 255 272 306 340 360 408 510 612 680 720 765 816 1020 1224 1360 1530 2040 2448 3060 4007 4080 6120 8014 12021 12240 16028 20035 24042 32056 36063 40070 48084 60105 64112 68119 72126 80140 96168 120210 136238 144252 160280 180315 192336 204357 240420 272476 288504 320560 340595 360630 408714 480840 544952 577008 613071 681190 721260 817428 961680 1021785 1089904 1226142 1362380 1442520 1634856 2043570 2452284 2724760 2885040 3065355 3269712 4087140 4904568 5449520 6130710 8174280 9809136 12261420 16348560 24522840 49045680