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115041551 = 853134867
BaseRepresentation
bin1101101101101…
…10010100001111
322000110201100012
412312312110033
5213422312201
615225423435
72564560052
oct666662417
9260421305
10115041551
1159a35469
123263ab7b
131aaac031
14113c8a99
15a1765bb
hex6db650f

115041551 has 4 divisors (see below), whose sum is σ = 115177272. Its totient is φ = 114905832.

The previous prime is 115041541. The next prime is 115041587. The reversal of 115041551 is 155140511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115041551 - 214 = 115025167 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 (115041541) 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, 66581 + ... + 68286.

It is an arithmetic number, because the mean of its divisors is an integer number (28794318).

Almost surely, 2115041551 is an apocalyptic number.

115041551 is a deficient number, since it is larger than the sum of its proper divisors (135721).

115041551 is an equidigital number, since it uses as much as digits as its factorization.

115041551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135720.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 115041551 is about 10725.7424451643. The cubic root of 115041551 is about 486.3529742285.

The spelling of 115041551 in words is "one hundred fifteen million, forty-one thousand, five hundred fifty-one".

Divisors: 1 853 134867 115041551