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108306131 = 173709883
BaseRepresentation
bin1100111010010…
…01111011010011
321112210112002012
412131021323103
5210211244011
614425213135
72453405213
oct635117323
9245715065
10108306131
1156154aaa
12303311ab
131959138b
1410554243
159795a8b
hex6749ed3

108306131 has 8 divisors (see below), whose sum is σ = 109209360. Its totient is φ = 107406432.

The previous prime is 108306127. The next prime is 108306161. The reversal of 108306131 is 131603801.

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 108306131 - 22 = 108306127 is a prime.

It is a super-2 number, since 2×1083061312 = 23460436024378322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108306097 and 108306106.

It is not an unprimeable number, because it can be changed into a prime (108306101) 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, 122216 + ... + 123098.

It is an arithmetic number, because the mean of its divisors is an integer number (13651170).

Almost surely, 2108306131 is an apocalyptic number.

108306131 is a deficient number, since it is larger than the sum of its proper divisors (903229).

108306131 is an equidigital number, since it uses as much as digits as its factorization.

108306131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 108306131 is about 10407.0231574644. The cubic root of 108306131 is about 476.6698472954.

Adding to 108306131 its reverse (131603801), we get a palindrome (239909932).

It can be divided in two parts, 10830 and 6131, that added together give a palindrome (16961).

The spelling of 108306131 in words is "one hundred eight million, three hundred six thousand, one hundred thirty-one".

Divisors: 1 173 709 883 122657 152759 626047 108306131