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68695738 = 253648073
BaseRepresentation
bin1000001100000…
…11011010111010
311210021002211121
410012003122322
5120041230423
610452215454
71462622056
oct406033272
9153232747
1068695738
1135860141
121b00a58a
1311302c87
1491a2c66
15606e45d
hex41836ba

68695738 has 8 divisors (see below), whose sum is σ = 104987988. Its totient is φ = 33699744.

The previous prime is 68695709. The next prime is 68695763. The reversal of 68695738 is 83759686.

It can be written as a sum of positive squares in 2 ways, for example, as 65983129 + 2712609 = 8123^2 + 1647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323931 + ... + 324142.

Almost surely, 268695738 is an apocalyptic number.

68695738 is a deficient number, since it is larger than the sum of its proper divisors (36292250).

68695738 is a wasteful number, since it uses less digits than its factorization.

68695738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648128.

The product of its digits is 2177280, while the sum is 52.

The square root of 68695738 is about 8288.2892082745. The cubic root of 68695738 is about 409.5528299372.

The spelling of 68695738 in words is "sixty-eight million, six hundred ninety-five thousand, seven hundred thirty-eight".

Divisors: 1 2 53 106 648073 1296146 34347869 68695738