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108135253 = 671613959
BaseRepresentation
bin1100111001000…
…00001101010101
321112110211200101
412130200031111
5210140312003
614421414101
72452064062
oct634401525
9245424611
10108135253
1156048686
123026a331
1319531675
141050bc69
15976011d
hex6720355

108135253 has 4 divisors (see below), whose sum is σ = 109749280. Its totient is φ = 106521228.

The previous prime is 108135241. The next prime is 108135277. The reversal of 108135253 is 352531801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108135253 - 25 = 108135221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108135353) 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, 806913 + ... + 807046.

It is an arithmetic number, because the mean of its divisors is an integer number (27437320).

Almost surely, 2108135253 is an apocalyptic number.

It is an amenable number.

108135253 is a deficient number, since it is larger than the sum of its proper divisors (1614027).

108135253 is an equidigital number, since it uses as much as digits as its factorization.

108135253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614026.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 108135253 is about 10398.8101723226. The cubic root of 108135253 is about 476.4190296557.

The spelling of 108135253 in words is "one hundred eight million, one hundred thirty-five thousand, two hundred fifty-three".

Divisors: 1 67 1613959 108135253