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67976896 = 261381703
BaseRepresentation
bin1000000110100…
…11111011000000
311201220120202211
410003103323000
5114400230041
610424551504
71453536241
oct403237300
9151816684
1067976896
113540a059
121a922594
1311110a20
149056cc8
155e7b481
hex40d3ec0

67976896 has 28 divisors (see below), whose sum is σ = 145269712. Its totient is φ = 31373568.

The previous prime is 67976873. The next prime is 67976959. The reversal of 67976896 is 69867976.

It is a self number, because there is not a number n which added to its sum of digits gives 67976896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40020 + ... + 41683.

It is an arithmetic number, because the mean of its divisors is an integer number (5188204).

Almost surely, 267976896 is an apocalyptic number.

It is an amenable number.

67976896 is an abundant number, since it is smaller than the sum of its proper divisors (77292816).

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

67976896 is a wasteful number, since it uses less digits than its factorization.

67976896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81728 (or 81718 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 58.

The square root of 67976896 is about 8244.8102464520. The cubic root of 67976896 is about 408.1192782105.

The spelling of 67976896 in words is "sixty-seven million, nine hundred seventy-six thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 81703 163406 326812 653624 1062139 1307248 2124278 2614496 4248556 5228992 8497112 16994224 33988448 67976896