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13831696 = 2419173263
BaseRepresentation
bin110100110000…
…111000010000
3222000201112001
4310300320100
512020103241
61212243344
7225365434
oct64607020
928021461
1013831696
117897a5a
124770554
132b33948
141ba09c4
151333431
hexd30e10

13831696 has 40 divisors (see below), whose sum is σ = 28480320. Its totient is φ = 6489216.

The previous prime is 13831687. The next prime is 13831703. The reversal of 13831696 is 69613831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52461 + ... + 52723.

It is an arithmetic number, because the mean of its divisors is an integer number (712008).

Almost surely, 213831696 is an apocalyptic number.

13831696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13831696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14240160).

13831696 is an abundant number, since it is smaller than the sum of its proper divisors (14648624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13831696 is a wasteful number, since it uses less digits than its factorization.

13831696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 13831696 is about 3719.0988155735. The cubic root of 13831696 is about 240.0445287748.

The spelling of 13831696 in words is "thirteen million, eight hundred thirty-one thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 19 38 76 152 173 263 304 346 526 692 1052 1384 2104 2768 3287 4208 4997 6574 9994 13148 19988 26296 39976 45499 52592 79952 90998 181996 363992 727984 864481 1728962 3457924 6915848 13831696