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13718908 = 227489961
BaseRepresentation
bin110100010101…
…010101111100
3221210222210201
4310111111330
512003001113
61210013244
7224415550
oct64252574
927728721
1013718908
117820245
124717224
132ac44c8
141b71860
15130ecdd
hexd1557c

13718908 has 12 divisors (see below), whose sum is σ = 27437872. Its totient is φ = 5879520.

The previous prime is 13718867. The next prime is 13718923. The reversal of 13718908 is 80981731.

13718908 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244953 + ... + 245008.

Almost surely, 213718908 is an apocalyptic number.

It is an amenable number.

13718908 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.

13718908 is a wasteful number, since it uses less digits than its factorization.

13718908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489972 (or 489970 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 13718908 is about 3703.9044264128. The cubic root of 13718908 is about 239.3902810270.

The spelling of 13718908 in words is "thirteen million, seven hundred eighteen thousand, nine hundred eight".

Divisors: 1 2 4 7 14 28 489961 979922 1959844 3429727 6859454 13718908