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13931682 = 232321947
BaseRepresentation
bin110101001001…
…010010100010
3222012210200020
4311021102202
512031303212
61214334310
7226263102
oct65112242
928183606
1013931682
117956096
1247ba396
132b6a2cb
141bc9202
151352d8c
hexd494a2

13931682 has 8 divisors (see below), whose sum is σ = 27863376. Its totient is φ = 4643892.

The previous prime is 13931681. The next prime is 13931683. The reversal of 13931682 is 28613931.

It is an interprime number because it is at equal distance from previous prime (13931681) and next prime (13931683).

It is a sphenic number, since it is the product of 3 distinct primes.

13931682 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13931681) 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, 1160968 + ... + 1160979.

It is an arithmetic number, because the mean of its divisors is an integer number (3482922).

Almost surely, 213931682 is an apocalyptic number.

13931682 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.

13931682 is a wasteful number, since it uses less digits than its factorization.

13931682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321952.

The product of its digits is 7776, while the sum is 33.

The square root of 13931682 is about 3732.5168452400. The cubic root of 13931682 is about 240.6215486546.

The spelling of 13931682 in words is "thirteen million, nine hundred thirty-one thousand, six hundred eighty-two".

Divisors: 1 2 3 6 2321947 4643894 6965841 13931682