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68716204 = 22113152027
BaseRepresentation
bin1000001100010…
…00011010101100
311210022010220121
410012020122230
5120042404304
610452454324
71463035534
oct406103254
9153263817
1068716204
1135874557
121b01a3a4
131130c39b
1491aa4c4
156075554
hex41886ac

68716204 has 12 divisors (see below), whose sum is σ = 121318344. Its totient is φ = 34053824.

The previous prime is 68716201. The next prime is 68716213. The reversal of 68716204 is 40261786.

It is a self number, because there is not a number n which added to its sum of digits gives 68716204.

It is not an unprimeable number, because it can be changed into a prime (68716201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75562 + ... + 76465.

It is an arithmetic number, because the mean of its divisors is an integer number (10109862).

Almost surely, 268716204 is an apocalyptic number.

It is an amenable number.

68716204 is a deficient number, since it is larger than the sum of its proper divisors (52602140).

68716204 is a wasteful number, since it uses less digits than its factorization.

68716204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152144 (or 152142 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 68716204 is about 8289.5237498906. The cubic root of 68716204 is about 409.5934975545.

The spelling of 68716204 in words is "sixty-eight million, seven hundred sixteen thousand, two hundred four".

Divisors: 1 2 4 113 226 452 152027 304054 608108 17179051 34358102 68716204