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109107900 = 22325211103107
BaseRepresentation
bin1101000000011…
…01101010111100
321121022020220100
412200031222330
5210412423100
614454321100
72463254556
oct640155274
9247266810
10109107900
1156652420
1230659190
13197b22b5
14106c24d6
1598a3400
hex680dabc

109107900 has 216 divisors, whose sum is σ = 380225664. Its totient is φ = 25948800.

The previous prime is 109107881. The next prime is 109107923. The reversal of 109107900 is 9701901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1019647 + ... + 1019753.

It is an arithmetic number, because the mean of its divisors is an integer number (1760304).

Almost surely, 2109107900 is an apocalyptic number.

109107900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109107900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190112832).

109107900 is an abundant number, since it is smaller than the sum of its proper divisors (271117764).

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

109107900 is a wasteful number, since it uses less digits than its factorization.

109107900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 109107900 is about 10445.4727035209. The cubic root of 109107900 is about 477.8431877676.

The spelling of 109107900 in words is "one hundred nine million, one hundred seven thousand, nine hundred".