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13813233 = 371135821
BaseRepresentation
bin110100101100…
…010111110001
3221222210012020
4310230113301
512014010413
61212022053
7225260550
oct64542761
927883166
1013813233
1178850a5
124761929
132b28415
141b97d97
15132cc23
hexd2c5f1

13813233 has 16 divisors (see below), whose sum is σ = 21238656. Its totient is φ = 7822080.

The previous prime is 13813223. The next prime is 13813237. The reversal of 13813233 is 33231831.

It is not a de Polignac number, because 13813233 - 25 = 13813201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13813237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (1327416).

Almost surely, 213813233 is an apocalyptic number.

It is an amenable number.

13813233 is a deficient number, since it is larger than the sum of its proper divisors (7425423).

13813233 is a wasteful number, since it uses less digits than its factorization.

13813233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its digits is 1296, while the sum is 24.

The square root of 13813233 is about 3716.6157993530. The cubic root of 13813233 is about 239.9376747885.

The spelling of 13813233 in words is "thirteen million, eight hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 3 7 21 113 339 791 2373 5821 17463 40747 122241 657773 1973319 4604411 13813233