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109432900 = 22524012729
BaseRepresentation
bin1101000010111…
…01000001000100
321121220202201101
412201131001010
5211003323100
614505305444
72466110233
oct641350104
9247822641
10109432900
1156854615
1230795284
13198971c5
1410768b1a
15991986a
hex685d044

109432900 has 36 divisors (see below), whose sum is σ = 238148820. Its totient is φ = 43648000.

The previous prime is 109432891. The next prime is 109432931. The reversal of 109432900 is 9234901.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 24940036 + 84492864 = 4994^2 + 9192^2 .

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, 38736 + ... + 41464.

It is an arithmetic number, because the mean of its divisors is an integer number (6615245).

Almost surely, 2109432900 is an apocalyptic number.

109432900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109432900 is an abundant number, since it is smaller than the sum of its proper divisors (128715920).

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

109432900 is a wasteful number, since it uses less digits than its factorization.

109432900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 109432900 is about 10461.0181148873. The cubic root of 109432900 is about 478.3171683994.

The spelling of 109432900 in words is "one hundred nine million, four hundred thirty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 401 802 1604 2005 2729 4010 5458 8020 10025 10916 13645 20050 27290 40100 54580 68225 136450 272900 1094329 2188658 4377316 5471645 10943290 21886580 27358225 54716450 109432900