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115908 = 22313743
BaseRepresentation
bin11100010011000100
312212222220
4130103010
512202113
62252340
7661632
oct342304
9185886
10115908
117a0a1
12570b0
13409b0
1430352
1524523
hex1c4c4

115908 has 24 divisors (see below), whose sum is σ = 291648. Its totient is φ = 35616.

The previous prime is 115903. The next prime is 115931. The reversal of 115908 is 809511.

It is not an unprimeable number, because it can be changed into a prime (115901) by changing a digit.

115908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (12152).

2115908 is an apocalyptic number.

It is an amenable number.

115908 is an abundant number, since it is smaller than the sum of its proper divisors (175740).

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

115908 is a wasteful number, since it uses less digits than its factorization.

115908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 115908 is about 340.4526398781. The cubic root of 115908 is about 48.7570929850.

The spelling of 115908 in words is "one hundred fifteen thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 743 1486 2229 2972 4458 8916 9659 19318 28977 38636 57954 115908