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68979702 = 23112394373
BaseRepresentation
bin1000001110010…
…00101111110110
311210210112100210
410013020233312
5120124322302
610502250250
71465214001
oct407105766
9153715323
1068979702
1135a34520
121b126986
13113a22bc
149238538
1560c866c
hex41c8bf6

68979702 has 32 divisors (see below), whose sum is σ = 151165440. Its totient is φ = 20810720.

The previous prime is 68979683. The next prime is 68979731. The reversal of 68979702 is 20797986.

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, 13588 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (4723920).

Almost surely, 268979702 is an apocalyptic number.

68979702 is an abundant number, since it is smaller than the sum of its proper divisors (82185738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68979702 is a wasteful number, since it uses less digits than its factorization.

68979702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 68979702 is about 8305.4019770268. The cubic root of 68979702 is about 410.1163699025.

The spelling of 68979702 in words is "sixty-eight million, nine hundred seventy-nine thousand, seven hundred two".

Divisors: 1 2 3 6 11 22 33 66 239 478 717 1434 2629 4373 5258 7887 8746 13119 15774 26238 48103 96206 144309 288618 1045147 2090294 3135441 6270882 11496617 22993234 34489851 68979702