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13137383 = 71999431
BaseRepresentation
bin110010000111…
…010111100111
3220201110002202
4302013113213
511330344013
61145325115
7216444260
oct62072747
926643082
1013137383
117463346
12449679b
13294c8cc
141a5d967
151247858
hexc875e7

13137383 has 8 divisors (see below), whose sum is σ = 15091200. Its totient is φ = 11202840.

The previous prime is 13137367. The next prime is 13137401. The reversal of 13137383 is 38373131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13137383 - 24 = 13137367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (1886400).

Almost surely, 213137383 is an apocalyptic number.

13137383 is a deficient number, since it is larger than the sum of its proper divisors (1953817).

13137383 is an equidigital number, since it uses as much as digits as its factorization.

13137383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9637.

The product of its digits is 4536, while the sum is 29.

The square root of 13137383 is about 3624.5528000017. The cubic root of 13137383 is about 235.9588588152.

The spelling of 13137383 in words is "thirteen million, one hundred thirty-seven thousand, three hundred eighty-three".

Divisors: 1 7 199 1393 9431 66017 1876769 13137383