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115457982 = 23173730593
BaseRepresentation
bin1101110000110…
…11111110111110
322001020212120120
412320123332332
5214024123412
615242355410
72601243123
oct670337676
9261225516
10115457982
115a19a322
12327bbb66
131abc6743
141149674a
15a209b8c
hex6e1bfbe

115457982 has 32 divisors (see below), whose sum is σ = 251115552. Its totient is φ = 35241984.

The previous prime is 115457971. The next prime is 115458011. The reversal of 115457982 is 289754511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11523 + ... + 19070.

It is an arithmetic number, because the mean of its divisors is an integer number (7847361).

Almost surely, 2115457982 is an apocalyptic number.

115457982 is an abundant number, since it is smaller than the sum of its proper divisors (135657570).

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

115457982 is a wasteful number, since it uses less digits than its factorization.

115457982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30652.

The product of its digits is 100800, while the sum is 42.

The square root of 115457982 is about 10745.1375980022. The cubic root of 115457982 is about 486.9391061265.

The spelling of 115457982 in words is "one hundred fifteen million, four hundred fifty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 17 34 37 51 74 102 111 222 629 1258 1887 3774 30593 61186 91779 183558 520081 1040162 1131941 1560243 2263882 3120486 3395823 6791646 19242997 38485994 57728991 115457982