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108313613 = 1761149701
BaseRepresentation
bin1100111010010…
…11110000001101
321112210220100022
412131023300031
5210212013423
614425311525
72453436062
oct635136015
9245726308
10108313613
115615a691
12303355a5
13195948c5
1410556c69
159797dc8
hex674bc0d

108313613 has 16 divisors (see below), whose sum is σ = 117514800. Its totient is φ = 99456000.

The previous prime is 108313577. The next prime is 108313619. The reversal of 108313613 is 316313801.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3087049 + 105226564 = 1757^2 + 10258^2 .

It is a cyclic number.

It is not a de Polignac number, because 108313613 - 212 = 108309517 is a prime.

It is a super-2 number, since 2×1083136132 = 23463677522227538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108313619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154163 + ... + 154863.

It is an arithmetic number, because the mean of its divisors is an integer number (7344675).

Almost surely, 2108313613 is an apocalyptic number.

It is an amenable number.

108313613 is a deficient number, since it is larger than the sum of its proper divisors (9201187).

108313613 is a wasteful number, since it uses less digits than its factorization.

108313613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 108313613 is about 10407.3826200443. The cubic root of 108313613 is about 476.6808234720.

The spelling of 108313613 in words is "one hundred eight million, three hundred thirteen thousand, six hundred thirteen".

Divisors: 1 17 61 149 701 1037 2533 9089 11917 42761 104449 154513 726937 1775633 6371389 108313613