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13831353 = 321790401
BaseRepresentation
bin110100110000…
…110010111001
3222000201001100
4310300302321
512020100403
61212242013
7225364434
oct64606271
928021040
1013831353
117897778
124770309
132b33743
141ba081b
1513332a3
hexd30cb9

13831353 has 12 divisors (see below), whose sum is σ = 21154068. Its totient is φ = 8678400.

The previous prime is 13831351. The next prime is 13831361. The reversal of 13831353 is 35313831.

13831353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7112889 + 6718464 = 2667^2 + 2592^2 .

It is not a de Polignac number, because 13831353 - 21 = 13831351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13831351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45048 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (1762839).

Almost surely, 213831353 is an apocalyptic number.

It is an amenable number.

13831353 is a deficient number, since it is larger than the sum of its proper divisors (7322715).

13831353 is a wasteful number, since it uses less digits than its factorization.

13831353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90424 (or 90421 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13831353 is about 3719.0527019659. The cubic root of 13831353 is about 240.0425445411.

The spelling of 13831353 in words is "thirteen million, eight hundred thirty-one thousand, three hundred fifty-three".

Divisors: 1 3 9 17 51 153 90401 271203 813609 1536817 4610451 13831353