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67696904 = 23112941647
BaseRepresentation
bin1000000100011…
…11100100001000
311201101100200202
410002033210020
5114312300104
610414551332
71451262032
oct402174410
9151340622
1067696904
1135238760
121a808548
1311043452
148dc2c52
155e2351e
hex408f908

67696904 has 64 divisors (see below), whose sum is σ = 146966400. Its totient is φ = 28940800.

The previous prime is 67696903. The next prime is 67696919. The reversal of 67696904 is 40969676.

It is a super-2 number, since 2×676969042 = 9165741622370432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67696903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104309 + ... + 104955.

It is an arithmetic number, because the mean of its divisors is an integer number (2296350).

Almost surely, 267696904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67696904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73483200).

67696904 is an abundant number, since it is smaller than the sum of its proper divisors (79269496).

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

67696904 is a wasteful number, since it uses less digits than its factorization.

67696904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 67696904 is about 8227.8128320958. The cubic root of 67696904 is about 407.5581690207.

The spelling of 67696904 in words is "sixty-seven million, six hundred ninety-six thousand, nine hundred four".

Divisors: 1 2 4 8 11 22 29 41 44 58 82 88 116 164 232 319 328 451 638 647 902 1189 1276 1294 1804 2378 2552 2588 3608 4756 5176 7117 9512 13079 14234 18763 26158 26527 28468 37526 52316 53054 56936 75052 104632 106108 150104 206393 212216 291797 412786 583594 769283 825572 1167188 1538566 1651144 2334376 3077132 6154264 8462113 16924226 33848452 67696904