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115252405 = 530775083
BaseRepresentation
bin1101101111010…
…01110010110101
322000212102120121
412313221302311
5214001034110
615234131541
72566425562
oct667516265
9260772517
10115252405
115a069924
1232720bb1
131ab53cb8
1411441869
15a1b8cda
hex6de9cb5

115252405 has 8 divisors (see below), whose sum is σ = 138755232. Its totient is φ = 91900368.

The previous prime is 115252399. The next prime is 115252439. The reversal of 115252405 is 504252511.

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 115252405 - 223 = 106863797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115252405.

It is a congruent number.

It is an unprimeable number.

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, 36007 + ... + 39076.

It is an arithmetic number, because the mean of its divisors is an integer number (17344404).

Almost surely, 2115252405 is an apocalyptic number.

It is an amenable number.

115252405 is a deficient number, since it is larger than the sum of its proper divisors (23502827).

115252405 is an equidigital number, since it uses as much as digits as its factorization.

115252405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75395.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 115252405 is about 10735.5672882247. The cubic root of 115252405 is about 486.6499303579.

The spelling of 115252405 in words is "one hundred fifteen million, two hundred fifty-two thousand, four hundred five".

Divisors: 1 5 307 1535 75083 375415 23050481 115252405