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13279108 = 2217195281
BaseRepresentation
bin110010101001…
…111110000100
3220222122111211
4302221332010
511344412413
61152341204
7220604413
oct62517604
926878454
1013279108
11754a877
124544804
13299c27b
141a9947a
15127483d
hexca9f84

13279108 has 12 divisors (see below), whose sum is σ = 24605532. Its totient is φ = 6248960.

The previous prime is 13279099. The next prime is 13279109. The reversal of 13279108 is 80197231.

13279108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 1459264 = 3438^2 + 1208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13279108.

It is not an unprimeable number, because it can be changed into a prime (13279109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97573 + ... + 97708.

It is an arithmetic number, because the mean of its divisors is an integer number (2050461).

Almost surely, 213279108 is an apocalyptic number.

It is an amenable number.

13279108 is a deficient number, since it is larger than the sum of its proper divisors (11326424).

13279108 is a wasteful number, since it uses less digits than its factorization.

13279108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195302 (or 195300 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 13279108 is about 3644.0510424526. The cubic root of 13279108 is about 236.8043273269.

The spelling of 13279108 in words is "thirteen million, two hundred seventy-nine thousand, one hundred eight".

Divisors: 1 2 4 17 34 68 195281 390562 781124 3319777 6639554 13279108