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13916686 = 272142007
BaseRepresentation
bin110101000101…
…101000001110
3222012001002211
4311011220032
512030313221
61214141034
7226201300
oct65055016
928161084
1013916686
1179458a3
1247b177a
132b63534
141bc3970
15134d6e1
hexd45a0e

13916686 has 12 divisors (see below), whose sum is σ = 24283368. Its totient is φ = 5964252.

The previous prime is 13916677. The next prime is 13916711. The reversal of 13916686 is 68661931.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 70906 + ... + 71101.

It is an arithmetic number, because the mean of its divisors is an integer number (2023614).

Almost surely, 213916686 is an apocalyptic number.

13916686 is a deficient number, since it is larger than the sum of its proper divisors (10366682).

13916686 is a wasteful number, since it uses less digits than its factorization.

13916686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142023 (or 142016 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 13916686 is about 3730.5074721812. The cubic root of 13916686 is about 240.5351830075.

The spelling of 13916686 in words is "thirteen million, nine hundred sixteen thousand, six hundred eighty-six".

Divisors: 1 2 7 14 49 98 142007 284014 994049 1988098 6958343 13916686