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13982685 = 353492671
BaseRepresentation
bin110101010101…
…101111011101
3222022101122020
4311111233131
512034421220
61215410353
7226564563
oct65255735
928271566
1013982685
117990442
1248239b9
132b875a2
141bdda33
151363040
hexd55bdd

13982685 has 16 divisors (see below), whose sum is σ = 22444800. Its totient is φ = 7433280.

The previous prime is 13982677. The next prime is 13982693. The reversal of 13982685 is 58628931.

It is an interprime number because it is at equal distance from previous prime (13982677) and next prime (13982693).

It is not a de Polignac number, because 13982685 - 23 = 13982677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3900 + ... + 6570.

It is an arithmetic number, because the mean of its divisors is an integer number (1402800).

Almost surely, 213982685 is an apocalyptic number.

13982685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13982685 is a deficient number, since it is larger than the sum of its proper divisors (8462115).

13982685 is a wasteful number, since it uses less digits than its factorization.

13982685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its digits is 103680, while the sum is 42.

The square root of 13982685 is about 3739.3428567062. The cubic root of 13982685 is about 240.9148244425.

The spelling of 13982685 in words is "thirteen million, nine hundred eighty-two thousand, six hundred eighty-five".

Divisors: 1 3 5 15 349 1047 1745 2671 5235 8013 13355 40065 932179 2796537 4660895 13982685