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72990795 = 3536713259
BaseRepresentation
bin1000101100111…
…00000001001011
312002100022112210
410112130001023
5122141201140
611124240203
71544261103
oct426340113
9162308483
1072990795
1138224079
1220540063
1312177c27
1499a0203
15661bd80
hex459c04b

72990795 has 16 divisors (see below), whose sum is σ = 117112320. Its totient is φ = 38819424.

The previous prime is 72990791. The next prime is 72990817. The reversal of 72990795 is 59709927.

It is not a de Polignac number, because 72990795 - 22 = 72990791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72990791) 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 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (7319520).

Almost surely, 272990795 is an apocalyptic number.

72990795 is a deficient number, since it is larger than the sum of its proper divisors (44121525).

72990795 is a wasteful number, since it uses less digits than its factorization.

72990795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 72990795 is about 8543.4650464551. The cubic root of 72990795 is about 417.9163523165.

The spelling of 72990795 in words is "seventy-two million, nine hundred ninety thousand, seven hundred ninety-five".

Divisors: 1 3 5 15 367 1101 1835 5505 13259 39777 66295 198885 4866053 14598159 24330265 72990795