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115660625 = 54185057
BaseRepresentation
bin1101110010011…
…01011101010001
322001122011112212
412321031131101
5214102120000
615251001505
72603045663
oct671153521
9261564485
10115660625
115a3185a3
1232899295
131ac67a52
141150a533
15a249c35
hex6e4d751

115660625 has 10 divisors (see below), whose sum is σ = 144530298. Its totient is φ = 92528000.

The previous prime is 115660621. The next prime is 115660637. The reversal of 115660625 is 526066511.

It can be written as a sum of positive squares in 5 ways, for example, as 58491904 + 57168721 = 7648^2 + 7561^2 .

It is not a de Polignac number, because 115660625 - 22 = 115660621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115660591 and 115660600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115660621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91904 + ... + 93153.

Almost surely, 2115660625 is an apocalyptic number.

It is an amenable number.

115660625 is a deficient number, since it is larger than the sum of its proper divisors (28869673).

115660625 is an frugal number, since it uses more digits than its factorization.

115660625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185077 (or 185062 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 115660625 is about 10754.5629850775. The cubic root of 115660625 is about 487.2238190208.

The spelling of 115660625 in words is "one hundred fifteen million, six hundred sixty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 185057 925285 4626425 23132125 115660625