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115675640 = 2352891891
BaseRepresentation
bin1101110010100…
…01000111111000
322001122221010222
412321101013320
5214103110030
615251155212
72603140523
oct671210770
9261587128
10115675640
115a328903
12328a5b08
131ac71832
1411511bba
15a24e3e5
hex6e511f8

115675640 has 16 divisors (see below), whose sum is σ = 260270280. Its totient is φ = 46270240.

The previous prime is 115675639. The next prime is 115675643. The reversal of 115675640 is 46576511.

It is a self number, because there is not a number n which added to its sum of digits gives 115675640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115675643) 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, 1445906 + ... + 1445985.

Almost surely, 2115675640 is an apocalyptic number.

115675640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115675640 is an abundant number, since it is smaller than the sum of its proper divisors (144594640).

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

115675640 is a wasteful number, since it uses less digits than its factorization.

115675640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891902 (or 2891898 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 115675640 is about 10755.2610382082. The cubic root of 115675640 is about 487.2449018197.

The spelling of 115675640 in words is "one hundred fifteen million, six hundred seventy-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2891891 5783782 11567564 14459455 23135128 28918910 57837820 115675640