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72954932 = 2254133713
BaseRepresentation
bin1000101100100…
…11010000110100
312002021111100112
410112103100310
5122134024212
611123402152
71544051411
oct426232064
9162244315
1072954932
11381aa136
1220523358
13121647cb
149991108
156611422
hex4593434

72954932 has 12 divisors (see below), whose sum is σ = 127910916. Its totient is φ = 36408960.

The previous prime is 72954901. The next prime is 72954971. The reversal of 72954932 is 23945927.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 54257956 = 4324^2 + 7366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72954932.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14693 + ... + 19020.

It is an arithmetic number, because the mean of its divisors is an integer number (10659243).

Almost surely, 272954932 is an apocalyptic number.

It is an amenable number.

72954932 is a deficient number, since it is larger than the sum of its proper divisors (54955984).

72954932 is a wasteful number, since it uses less digits than its factorization.

72954932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34258 (or 34256 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 72954932 is about 8541.3659329173. The cubic root of 72954932 is about 417.8478953305.

The spelling of 72954932 in words is "seventy-two million, nine hundred fifty-four thousand, nine hundred thirty-two".

Divisors: 1 2 4 541 1082 2164 33713 67426 134852 18238733 36477466 72954932