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68476156 = 2272445577
BaseRepresentation
bin1000001010011…
…01110011111100
311202211221121221
410011031303330
5120012214111
610443403124
71461015640
oct405156374
9152757557
1068476156
1135720171
121ab234a4
1311257048
149146c20
156029371
hex414dcfc

68476156 has 12 divisors (see below), whose sum is σ = 136952368. Its totient is φ = 29346912.

The previous prime is 68476147. The next prime is 68476157. The reversal of 68476156 is 65167486.

It is a happy number.

68476156 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68476157) 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, 1222761 + ... + 1222816.

Almost surely, 268476156 is an apocalyptic number.

It is an amenable number.

68476156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68476156 is a wasteful number, since it uses less digits than its factorization.

68476156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445588 (or 2445586 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 68476156 is about 8275.0320845299. The cubic root of 68476156 is about 409.1159934278.

The spelling of 68476156 in words is "sixty-eight million, four hundred seventy-six thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 2445577 4891154 9782308 17119039 34238078 68476156