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68716196 = 22295311177
BaseRepresentation
bin1000001100010…
…00011010100100
311210022010220022
410012020122210
5120042404241
610452454312
71463035523
oct406103244
9153263808
1068716196
113587454a
121b01a398
131130c393
1491aa4ba
15607554b
hex41886a4

68716196 has 24 divisors (see below), whose sum is σ = 126758520. Its totient is φ = 32544512.

The previous prime is 68716189. The next prime is 68716201. The reversal of 68716196 is 69161786.

It can be written as a sum of positive squares in 4 ways, for example, as 30647296 + 38068900 = 5536^2 + 6170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (5281605).

Almost surely, 268716196 is an apocalyptic number.

It is an amenable number.

68716196 is a deficient number, since it is larger than the sum of its proper divisors (58042324).

68716196 is a wasteful number, since it uses less digits than its factorization.

68716196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11263 (or 11261 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 68716196 is about 8289.5232673538. The cubic root of 68716196 is about 409.5934816595.

The spelling of 68716196 in words is "sixty-eight million, seven hundred sixteen thousand, one hundred ninety-six".

Divisors: 1 2 4 29 53 58 106 116 212 1537 3074 6148 11177 22354 44708 324133 592381 648266 1184762 1296532 2369524 17179049 34358098 68716196