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108131253 = 361958229
BaseRepresentation
bin1100111000111…
…11001110110101
321112110122012020
412130133032311
5210140200003
614421343353
72452046316
oct634371665
9245418166
10108131253
115604567a
1230267b59
131952c8b9
141050a60d
15975dd53
hex671f3b5

108131253 has 8 divisors (see below), whose sum is σ = 144410400. Its totient is φ = 71969808.

The previous prime is 108131239. The next prime is 108131263. The reversal of 108131253 is 352131801.

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

It is not a de Polignac number, because 108131253 - 26 = 108131189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108131263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27258 + ... + 30971.

It is an arithmetic number, because the mean of its divisors is an integer number (18051300).

Almost surely, 2108131253 is an apocalyptic number.

It is an amenable number.

108131253 is a deficient number, since it is larger than the sum of its proper divisors (36279147).

108131253 is an equidigital number, since it uses as much as digits as its factorization.

108131253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58851.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 108131253 is about 10398.6178408479. The cubic root of 108131253 is about 476.4131552236.

The spelling of 108131253 in words is "one hundred eight million, one hundred thirty-one thousand, two hundred fifty-three".

Divisors: 1 3 619 1857 58229 174687 36043751 108131253