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68877886 = 2711447259
BaseRepresentation
bin1000001101011…
…11111000111110
311210121100200211
410012233320332
5120113043021
610500143034
71464311110
oct406577076
9153540624
1068877886
1135974a80
121b097a7a
1311367b5c
14920d3b0
1560a83e1
hex41afe3e

68877886 has 16 divisors (see below), whose sum is σ = 128810880. Its totient is φ = 26835480.

The previous prime is 68877833. The next prime is 68877917.

68877886 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 68877886.

It is a congruent number.

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, 223476 + ... + 223783.

It is an arithmetic number, because the mean of its divisors is an integer number (8050680).

Almost surely, 268877886 is an apocalyptic number.

68877886 is a deficient number, since it is larger than the sum of its proper divisors (59932994).

68877886 is a wasteful number, since it uses less digits than its factorization.

68877886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447279.

The product of its digits is 7225344, while the sum is 58.

The square root of 68877886 is about 8299.2702088798. The cubic root of 68877886 is about 409.9144894047.

The spelling of 68877886 in words is "sixty-eight million, eight hundred seventy-seven thousand, eight hundred eighty-six".

Divisors: 1 2 7 11 14 22 77 154 447259 894518 3130813 4919849 6261626 9839698 34438943 68877886