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115311056 = 2471029563
BaseRepresentation
bin1101101111110…
…00000111010000
322000222102000212
412313320013100
5214004423211
615235303252
72600061560
oct667700720
9260872025
10115311056
115a0a99a3
123274ab28
131ab748c3
1411458da0
15a1cb38b
hex6df81d0

115311056 has 20 divisors (see below), whose sum is σ = 255331872. Its totient is φ = 49418976.

The previous prime is 115311043. The next prime is 115311061. The reversal of 115311056 is 650113511.

It is a congruent 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, 514670 + ... + 514893.

Almost surely, 2115311056 is an apocalyptic number.

115311056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115311056 is an abundant number, since it is smaller than the sum of its proper divisors (140020816).

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

115311056 is a wasteful number, since it uses less digits than its factorization.

115311056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029578 (or 1029572 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 115311056 is about 10738.2985616903. The cubic root of 115311056 is about 486.7324670730.

Adding to 115311056 its reverse (650113511), we get a palindrome (765424567).

The spelling of 115311056 in words is "one hundred fifteen million, three hundred eleven thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 1029563 2059126 4118252 7206941 8236504 14413882 16473008 28827764 57655528 115311056