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68106424 = 2312236961
BaseRepresentation
bin1000000111100…
…11100010111000
311202011011110011
410003303202320
5114413401144
610431431304
71454616001
oct403634270
9152134404
1068106424
1135498401
121a985534
1311157979
14908c1a8
155ea4a34
hex40f38b8

68106424 has 16 divisors (see below), whose sum is σ = 127822320. Its totient is φ = 34020480.

The previous prime is 68106383. The next prime is 68106461. The reversal of 68106424 is 42460186.

It is a congruent number.

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, 6304 + ... + 13264.

It is an arithmetic number, because the mean of its divisors is an integer number (7988895).

Almost surely, 268106424 is an apocalyptic number.

It is an amenable number.

68106424 is a deficient number, since it is larger than the sum of its proper divisors (59715896).

68106424 is a wasteful number, since it uses less digits than its factorization.

68106424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190 (or 8186 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 68106424 is about 8252.6616312557. The cubic root of 68106424 is about 408.3783335477.

The spelling of 68106424 in words is "sixty-eight million, one hundred six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1223 2446 4892 6961 9784 13922 27844 55688 8513303 17026606 34053212 68106424