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68764876 = 2219904801
BaseRepresentation
bin1000001100101…
…00010011001100
311210101121200021
410012110103030
5120100434001
610453511524
71463330455
oct406242314
9153347607
1068764876
11358a8084
121b0425a4
131132859b
1491c012c
156084ba1
hex41944cc

68764876 has 12 divisors (see below), whose sum is σ = 126672280. Its totient is φ = 32572800.

The previous prime is 68764867. The next prime is 68764879. The reversal of 68764876 is 67846786.

It is not an unprimeable number, because it can be changed into a prime (68764879) 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, 452325 + ... + 452476.

Almost surely, 268764876 is an apocalyptic number.

It is an amenable number.

68764876 is a deficient number, since it is larger than the sum of its proper divisors (57907404).

68764876 is a wasteful number, since it uses less digits than its factorization.

68764876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904824 (or 904822 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 68764876 is about 8292.4589839203. The cubic root of 68764876 is about 409.6901803773.

The spelling of 68764876 in words is "sixty-eight million, seven hundred sixty-four thousand, eight hundred seventy-six".

Divisors: 1 2 4 19 38 76 904801 1809602 3619204 17191219 34382438 68764876