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13837137 = 3131137257
BaseRepresentation
bin110100110010…
…001101010001
3222000222222120
4310302031101
512020242022
61212324453
7225420336
oct64621521
928028876
1013837137
1178a1056
124773729
132b36272
141ba298d
151334d5c
hexd32351

13837137 has 16 divisors (see below), whose sum is σ = 18798912. Its totient is φ = 9052160.

The previous prime is 13837127. The next prime is 13837139. The reversal of 13837137 is 73173831.

It is a cyclic number.

It is not a de Polignac number, because 13837137 - 24 = 13837121 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 13837098 and 13837107.

It is not an unprimeable number, because it can be changed into a prime (13837139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53713 + ... + 53969.

It is an arithmetic number, because the mean of its divisors is an integer number (1174932).

Almost surely, 213837137 is an apocalyptic number.

It is an amenable number.

13837137 is a deficient number, since it is larger than the sum of its proper divisors (4961775).

13837137 is a wasteful number, since it uses less digits than its factorization.

13837137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 10584, while the sum is 33.

The square root of 13837137 is about 3719.8302380619. The cubic root of 13837137 is about 240.0760002362.

The spelling of 13837137 in words is "thirteen million, eight hundred thirty-seven thousand, one hundred thirty-seven".

Divisors: 1 3 131 137 257 393 411 771 17947 33667 35209 53841 101001 105627 4612379 13837137