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72294929 = 737279131
BaseRepresentation
bin1000100111100…
…10001000010001
312001000221222222
410103302020101
5122001414204
611101310425
71535332250
oct423621021
9161027888
1072294929
1137899283
1220265415
1311c93285
14985c797
156530abe
hex44f2211

72294929 has 8 divisors (see below), whose sum is σ = 84856128. Its totient is φ = 60292080.

The previous prime is 72294919. The next prime is 72294953. The reversal of 72294929 is 92949227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72294929 - 212 = 72290833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72294929.

It is not an unprimeable number, because it can be changed into a prime (72294919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139307 + ... + 139824.

It is an arithmetic number, because the mean of its divisors is an integer number (10607016).

Almost surely, 272294929 is an apocalyptic number.

It is an amenable number.

72294929 is a deficient number, since it is larger than the sum of its proper divisors (12561199).

72294929 is a wasteful number, since it uses less digits than its factorization.

72294929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279175.

The product of its digits is 163296, while the sum is 44.

The square root of 72294929 is about 8502.6424716085. The cubic root of 72294929 is about 416.5840250677.

The spelling of 72294929 in words is "seventy-two million, two hundred ninety-four thousand, nine hundred twenty-nine".

Divisors: 1 7 37 259 279131 1953917 10327847 72294929