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115868055 = 3518142677
BaseRepresentation
bin1101110100000…
…00000110010111
322002000201002110
412322000012113
5214130234210
615255242103
72604601512
oct672000627
9262021073
10115868055
115a44a426
1232979333
131b00b2a4
1411561d79
15a28b420
hex6e80197

115868055 has 16 divisors (see below), whose sum is σ = 186417504. Its totient is φ = 61453440.

The previous prime is 115868003. The next prime is 115868087. The reversal of 115868055 is 550868511.

It is a de Polignac number, because none of the positive numbers 2k-115868055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18624 + ... + 24053.

It is an arithmetic number, because the mean of its divisors is an integer number (11651094).

Almost surely, 2115868055 is an apocalyptic number.

115868055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115868055 is a deficient number, since it is larger than the sum of its proper divisors (70549449).

115868055 is a wasteful number, since it uses less digits than its factorization.

115868055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42866.

The product of its (nonzero) digits is 48000, while the sum is 39.

The square root of 115868055 is about 10764.2024785861. The cubic root of 115868055 is about 487.5149134162.

The spelling of 115868055 in words is "one hundred fifteen million, eight hundred sixty-eight thousand, fifty-five".

Divisors: 1 3 5 15 181 543 905 2715 42677 128031 213385 640155 7724537 23173611 38622685 115868055