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13138167 = 37625627
BaseRepresentation
bin110010000111…
…100011110111
3220201111011210
4302013203313
511330410132
61145332503
7216446460
oct62074367
926644153
1013138167
117463999
124497133
132950083
141a5dd67
151247bcc
hexc878f7

13138167 has 8 divisors (see below), whose sum is σ = 20020096. Its totient is φ = 7507512.

The previous prime is 13138159. The next prime is 13138183. The reversal of 13138167 is 76183131.

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

It is not a de Polignac number, because 13138167 - 23 = 13138159 is a prime.

It is a super-2 number, since 2×131381672 = 345222864239778, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13138187) 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, 312793 + ... + 312834.

It is an arithmetic number, because the mean of its divisors is an integer number (2502512).

Almost surely, 213138167 is an apocalyptic number.

13138167 is a deficient number, since it is larger than the sum of its proper divisors (6881929).

13138167 is an equidigital number, since it uses as much as digits as its factorization.

13138167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625637.

The product of its digits is 3024, while the sum is 30.

The square root of 13138167 is about 3624.6609496614. The cubic root of 13138167 is about 235.9635524964.

The spelling of 13138167 in words is "thirteen million, one hundred thirty-eight thousand, one hundred sixty-seven".

Divisors: 1 3 7 21 625627 1876881 4379389 13138167