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115112144 = 2471027787
BaseRepresentation
bin1101101110001…
…11100011010000
322000121022011202
412313013203100
5213432042034
615231130332
72565302630
oct667074320
9260538152
10115112144
1159a83504
12326739a8
131ab051c4
14114066c0
15a18c47e
hex6dc78d0

115112144 has 20 divisors (see below), whose sum is σ = 254891424. Its totient is φ = 49333728.

The previous prime is 115112113. The next prime is 115112159. The reversal of 115112144 is 441211511.

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, 513782 + ... + 514005.

Almost surely, 2115112144 is an apocalyptic number.

115112144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

115112144 is an abundant number, since it is smaller than the sum of its proper divisors (139779280).

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

115112144 is a wasteful number, since it uses less digits than its factorization.

115112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027802 (or 1027796 counting only the distinct ones).

The product of its digits is 160, while the sum is 20.

The square root of 115112144 is about 10729.0327616239. The cubic root of 115112144 is about 486.4524342207.

Adding to 115112144 its reverse (441211511), we get a palindrome (556323655).

The spelling of 115112144 in words is "one hundred fifteen million, one hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1027787 2055574 4111148 7194509 8222296 14389018 16444592 28778036 57556072 115112144