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13038807 = 319228751
BaseRepresentation
bin110001101111…
…010011010111
3220112102212210
4301233103113
511314220212
61143244503
7215554005
oct61572327
926472783
1013038807
1173a6281
124449733
132916a92
141a35a75
15122853c
hexc6f4d7

13038807 has 8 divisors (see below), whose sum is σ = 18300160. Its totient is φ = 8235000.

The previous prime is 13038799. The next prime is 13038827. The reversal of 13038807 is 70883031.

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

It is not a de Polignac number, because 13038807 - 23 = 13038799 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 (13038827) 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, 114319 + ... + 114432.

It is an arithmetic number, because the mean of its divisors is an integer number (2287520).

Almost surely, 213038807 is an apocalyptic number.

13038807 is a deficient number, since it is larger than the sum of its proper divisors (5261353).

13038807 is a wasteful number, since it uses less digits than its factorization.

13038807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228773.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13038807 is about 3610.9288278779. The cubic root of 13038807 is about 235.3672062050.

The spelling of 13038807 in words is "thirteen million, thirty-eight thousand, eight hundred seven".

Divisors: 1 3 19 57 228751 686253 4346269 13038807