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115132100 = 22524128081
BaseRepresentation
bin1101101110011…
…00011011000100
322000122022112212
412313030123010
5213433211400
615231402552
72565415046
oct667143304
9260568485
10115132100
1159a974a6
1232683458
131ab11305
141140da96
15a193335
hex6dcc6c4

115132100 has 36 divisors (see below), whose sum is σ = 255939348. Its totient is φ = 44928000.

The previous prime is 115132099. The next prime is 115132111. The reversal of 115132100 is 1231511.

It can be written as a sum of positive squares in 6 ways, for example, as 32103556 + 83028544 = 5666^2 + 9112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9941 + ... + 18140.

Almost surely, 2115132100 is an apocalyptic number.

115132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115132100 is an abundant number, since it is smaller than the sum of its proper divisors (140807248).

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

115132100 is a wasteful number, since it uses less digits than its factorization.

115132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28136 (or 28129 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 115132100 is about 10729.9627212773. The cubic root of 115132100 is about 486.4805432846.

Adding to 115132100 its reverse (1231511), we get a palindrome (116363611).

The spelling of 115132100 in words is "one hundred fifteen million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 410 820 1025 2050 4100 28081 56162 112324 140405 280810 561620 702025 1151321 1404050 2302642 2808100 4605284 5756605 11513210 23026420 28783025 57566050 115132100