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109126900 = 22521091269
BaseRepresentation
bin1101000000100…
…10010011110100
321121100012222001
412200102103310
5210414030100
614454545044
72463364141
oct640222364
9247305861
10109126900
1156665723
1230668184
13197bab3c
14106c93c8
1598a8d6a
hex68124f4

109126900 has 18 divisors (see below), whose sum is σ = 236805590. Its totient is φ = 43650720.

The previous prime is 109126877. The next prime is 109126921. The reversal of 109126900 is 9621901.

109126900 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1838736 + 107288164 = 1356^2 + 10358^2 .

It is a super-2 number, since 2×1091269002 = 23817360607220000, which contains 22 as substring.

109126900 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545535 + ... + 545734.

Almost surely, 2109126900 is an apocalyptic number.

109126900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109126900 is an abundant number, since it is smaller than the sum of its proper divisors (127678690).

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

109126900 is a wasteful number, since it uses less digits than its factorization.

109126900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091283 (or 1091276 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 109126900 is about 10446.3821488590. The cubic root of 109126900 is about 477.8709232894.

The spelling of 109126900 in words is "one hundred nine million, one hundred twenty-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1091269 2182538 4365076 5456345 10912690 21825380 27281725 54563450 109126900