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72795239 = 1113274987
BaseRepresentation
bin1000101011011…
…00010001100111
312001222101021222
410111230101213
5122113421424
611120130555
71542515006
oct425542147
9161871258
1072795239
1138100160
1220466a5b
1312109c0a
14994cc3d
1565cde5e
hex456c467

72795239 has 8 divisors (see below), whose sum is σ = 79488768. Its totient is φ = 66114360.

The previous prime is 72795227. The next prime is 72795263. The reversal of 72795239 is 93259727.

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 72795239 - 28 = 72794983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72795239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72795209) 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, 12104 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (9936096).

Almost surely, 272795239 is an apocalyptic number.

72795239 is a deficient number, since it is larger than the sum of its proper divisors (6693529).

72795239 is a wasteful number, since it uses less digits than its factorization.

72795239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325.

The product of its digits is 238140, while the sum is 44.

The square root of 72795239 is about 8532.0125996156. The cubic root of 72795239 is about 417.5427931324.

The spelling of 72795239 in words is "seventy-two million, seven hundred ninety-five thousand, two hundred thirty-nine".

Divisors: 1 11 1327 4987 14597 54857 6617749 72795239