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13831302 = 2317135601
BaseRepresentation
bin110100110000…
…110010000110
3222000200222110
4310300302012
512020100202
61212241450
7225364332
oct64606206
928020873
1013831302
117897731
124770286
132b33704
141ba07c2
15133326c
hexd30c86

13831302 has 16 divisors (see below), whose sum is σ = 29290032. Its totient is φ = 4339200.

The previous prime is 13831283. The next prime is 13831331. The reversal of 13831302 is 20313831.

It is a happy number.

It is a congruent number.

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, 67699 + ... + 67902.

It is an arithmetic number, because the mean of its divisors is an integer number (1830627).

Almost surely, 213831302 is an apocalyptic number.

13831302 is an abundant number, since it is smaller than the sum of its proper divisors (15458730).

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

13831302 is a wasteful number, since it uses less digits than its factorization.

13831302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135623.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13831302 is about 3719.0458453749. The cubic root of 13831302 is about 240.0422495064.

The spelling of 13831302 in words is "thirteen million, eight hundred thirty-one thousand, three hundred two".

Divisors: 1 2 3 6 17 34 51 102 135601 271202 406803 813606 2305217 4610434 6915651 13831302