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72495966 = 2331138851
BaseRepresentation
bin1000101001000…
…11001101011110
312001102011202210
410110203031132
5122024332331
611105501250
71540130334
oct424431536
9161364683
1072495966
1137a16324
1220341826
131203392a
1498b1b54
156570446
hex452335e

72495966 has 16 divisors (see below), whose sum is σ = 145461888. Its totient is φ = 24087000.

The previous prime is 72495947. The next prime is 72495967. The reversal of 72495966 is 66959427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72495967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17560 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (9091368).

Almost surely, 272495966 is an apocalyptic number.

72495966 is an abundant number, since it is smaller than the sum of its proper divisors (72965922).

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

72495966 is a wasteful number, since it uses less digits than its factorization.

72495966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39167.

The product of its digits is 816480, while the sum is 48.

The square root of 72495966 is about 8514.4562950314. The cubic root of 72495966 is about 416.9698118914.

The spelling of 72495966 in words is "seventy-two million, four hundred ninety-five thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 311 622 933 1866 38851 77702 116553 233106 12082661 24165322 36247983 72495966