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49968765 = 33571121923
BaseRepresentation
bin1011111010011…
…1011001111101
310111000200021000
42332213121331
5100243000030
64543000513
71144504350
oct276473175
9114020230
1049968765
112622a300
1214899139
13a477122
1468ca297
1545c0860
hex2fa767d

49968765 has 192 divisors, whose sum is σ = 122572800. Its totient is φ = 18817920.

The previous prime is 49968749. The next prime is 49968817. The reversal of 49968765 is 56786994.

It is not a de Polignac number, because 49968765 - 24 = 49968749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2172544 + ... + 2172566.

It is an arithmetic number, because the mean of its divisors is an integer number (638400).

Almost surely, 249968765 is an apocalyptic number.

49968765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49968765 is an abundant number, since it is smaller than the sum of its proper divisors (72604035).

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

49968765 is a wasteful number, since it uses less digits than its factorization.

49968765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 68 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 49968765 is about 7068.8588187911. The cubic root of 49968765 is about 368.3264200682.

The spelling of 49968765 in words is "forty-nine million, nine hundred sixty-eight thousand, seven hundred sixty-five".