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68359136 = 254152103
BaseRepresentation
bin1000001001100…
…01001111100000
311202122000002212
410010301033200
5114444443021
610441101252
71460020526
oct404611740
9152560085
1068359136
113565025a
121aa87828
13112159c1
149116316
15600485b
hex41313e0

68359136 has 24 divisors (see below), whose sum is σ = 137867184. Its totient is φ = 33345280.

The previous prime is 68359133. The next prime is 68359139. The reversal of 68359136 is 63195386.

It is an interprime number because it is at equal distance from previous prime (68359133) and next prime (68359139).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 68359093 and 68359102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68359133) 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, 24740 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (5744466).

Almost surely, 268359136 is an apocalyptic number.

It is an amenable number.

68359136 is an abundant number, since it is smaller than the sum of its proper divisors (69508048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68359136 is a wasteful number, since it uses less digits than its factorization.

68359136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52154 (or 52146 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 68359136 is about 8267.9583937028. The cubic root of 68359136 is about 408.8828122565.

The spelling of 68359136 in words is "sixty-eight million, three hundred fifty-nine thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 52103 104206 208412 416824 833648 1667296 2136223 4272446 8544892 17089784 34179568 68359136