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115552505 = 523110501
BaseRepresentation
bin1101110001100…
…11000011111001
322001102200020102
412320303003321
5214040140010
615244405145
72602115525
oct670630371
9261380212
10115552505
115a254342
12328467b5
131ac2a783
14114bcd85
15a227ba5
hex6e330f9

115552505 has 4 divisors (see below), whose sum is σ = 138663012. Its totient is φ = 92442000.

The previous prime is 115552499. The next prime is 115552537. The reversal of 115552505 is 505255511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35557369 + 79995136 = 5963^2 + 8944^2 .

It is not a de Polignac number, because 115552505 - 26 = 115552441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11555246 + ... + 11555255.

It is an arithmetic number, because the mean of its divisors is an integer number (34665753).

Almost surely, 2115552505 is an apocalyptic number.

It is an amenable number.

115552505 is a deficient number, since it is larger than the sum of its proper divisors (23110507).

115552505 is an equidigital number, since it uses as much as digits as its factorization.

115552505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23110506.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 115552505 is about 10749.5351062267. The cubic root of 115552505 is about 487.0719521184.

The spelling of 115552505 in words is "one hundred fifteen million, five hundred fifty-two thousand, five hundred five".

Divisors: 1 5 23110501 115552505