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68611372 = 2217152843
BaseRepresentation
bin1000001011011…
…10110100101100
311210002211002221
410011232310230
5120031030442
610450325124
71462121104
oct405566454
9153084087
1068611372
1135802815
121ab897a4
13112a375b
149180204
156054467
hex416ed2c

68611372 has 6 divisors (see below), whose sum is σ = 120069908. Its totient is φ = 34305684.

The previous prime is 68611351. The next prime is 68611391. The reversal of 68611372 is 27311686.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8576418 + ... + 8576425.

Almost surely, 268611372 is an apocalyptic number.

It is an amenable number.

68611372 is a deficient number, since it is larger than the sum of its proper divisors (51458536).

68611372 is a wasteful number, since it uses less digits than its factorization.

68611372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17152847 (or 17152845 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 68611372 is about 8283.1981746183. The cubic root of 68611372 is about 409.3851024603.

The spelling of 68611372 in words is "sixty-eight million, six hundred eleven thousand, three hundred seventy-two".

Divisors: 1 2 4 17152843 34305686 68611372