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72258295 = 5231494217
BaseRepresentation
bin1000100111010…
…01001011110111
312000222002202011
410103221023313
5121444231140
611100425051
71535120404
oct423511367
9160862664
1072258295
11378737aa
1220248187
1311c7c6b5
14984d2ab
156524cea
hex44e92f7

72258295 has 16 divisors (see below), whose sum is σ = 91108800. Its totient is φ = 54909184.

The previous prime is 72258289. The next prime is 72258323. The reversal of 72258295 is 59285227.

It is a cyclic number.

It is not a de Polignac number, because 72258295 - 27 = 72258167 is a prime.

It is a super-2 number, since 2×722582952 = 10442522392614050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15027 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (5694300).

Almost surely, 272258295 is an apocalyptic number.

72258295 is a deficient number, since it is larger than the sum of its proper divisors (18850505).

72258295 is a wasteful number, since it uses less digits than its factorization.

72258295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394.

The product of its digits is 100800, while the sum is 40.

The square root of 72258295 is about 8500.4879271722. The cubic root of 72258295 is about 416.5136479893.

The spelling of 72258295 in words is "seventy-two million, two hundred fifty-eight thousand, two hundred ninety-five".

Divisors: 1 5 23 115 149 745 3427 4217 17135 21085 96991 484955 628333 3141665 14451659 72258295