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115815152 = 2417425791
BaseRepresentation
bin1101110011100…
…11001011110000
322001221000112002
412321303023300
5214122041102
615254153132
72604261335
oct671631360
9261830462
10115815152
115a413702
12329527a8
131acc019b
141154a98c
15a27a902
hex6e732f0

115815152 has 20 divisors (see below), whose sum is σ = 237591936. Its totient is φ = 54501120.

The previous prime is 115815151. The next prime is 115815181. The reversal of 115815152 is 251518511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115815151) 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, 212624 + ... + 213167.

Almost surely, 2115815152 is an apocalyptic number.

It is an amenable number.

115815152 is an abundant number, since it is smaller than the sum of its proper divisors (121776784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115815152 is a wasteful number, since it uses less digits than its factorization.

115815152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425816 (or 425810 counting only the distinct ones).

The product of its digits is 2000, while the sum is 29.

The square root of 115815152 is about 10761.7448399412. The cubic root of 115815152 is about 487.4407056527.

The spelling of 115815152 in words is "one hundred fifteen million, eight hundred fifteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 425791 851582 1703164 3406328 6812656 7238447 14476894 28953788 57907576 115815152