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68152584 = 2332839691
BaseRepresentation
bin1000000111111…
…10110100001000
311202020111202210
410003332310020
5114421340314
610432425120
71455200403
oct403766410
9152214683
1068152584
113551a055
121a9a81a0
1311172996
1490a0d3a
155eb3559
hex40fed08

68152584 has 16 divisors (see below), whose sum is σ = 170381520. Its totient is φ = 22717520.

The previous prime is 68152573. The next prime is 68152597. The reversal of 68152584 is 48525186.

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, 1419822 + ... + 1419869.

It is an arithmetic number, because the mean of its divisors is an integer number (10648845).

Almost surely, 268152584 is an apocalyptic number.

It is an amenable number.

68152584 is an abundant number, since it is smaller than the sum of its proper divisors (102228936).

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

68152584 is a wasteful number, since it uses less digits than its factorization.

68152584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839700 (or 2839696 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 68152584 is about 8255.4578310352. The cubic root of 68152584 is about 408.4705739248.

The spelling of 68152584 in words is "sixty-eight million, one hundred fifty-two thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 2839691 5679382 8519073 11358764 17038146 22717528 34076292 68152584