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13893688 = 231736711
BaseRepresentation
bin110101000000…
…000000111000
3222010212120001
4311000000320
512024044223
61213442344
7226044244
oct65000070
928125501
1013893688
11792a596
1247a03b4
132b55c23
141bb9424
1513469ad
hexd40038

13893688 has 8 divisors (see below), whose sum is σ = 26050680. Its totient is φ = 6946840.

The previous prime is 13893667. The next prime is 13893707. The reversal of 13893688 is 88639831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868348 + ... + 868363.

It is an arithmetic number, because the mean of its divisors is an integer number (3256335).

Almost surely, 213893688 is an apocalyptic number.

It is an amenable number.

13893688 is a deficient number, since it is larger than the sum of its proper divisors (12156992).

13893688 is a wasteful number, since it uses less digits than its factorization.

13893688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736717 (or 1736713 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 13893688 is about 3727.4237752099. The cubic root of 13893688 is about 240.4026112601.

The spelling of 13893688 in words is "thirteen million, eight hundred ninety-three thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 1736711 3473422 6946844 13893688