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109045120 = 275170383
BaseRepresentation
bin1100111111111…
…10010110000000
321121012001210011
412133332112000
5210403420440
614453114304
72462603542
oct637762600
9247161704
10109045120
115660a238
1230628994
131978c852
14106a7692
15988e9ea
hex67fe580

109045120 has 32 divisors (see below), whose sum is σ = 260687520. Its totient is φ = 43617792.

The previous prime is 109045099. The next prime is 109045127. The reversal of 109045120 is 21540901.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 109045091 and 109045100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109045127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84552 + ... + 85831.

It is an arithmetic number, because the mean of its divisors is an integer number (8146485).

Almost surely, 2109045120 is an apocalyptic number.

109045120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109045120 is an abundant number, since it is smaller than the sum of its proper divisors (151642400).

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

109045120 is an equidigital number, since it uses as much as digits as its factorization.

109045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170402 (or 170390 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 109045120 is about 10442.4671414374. The cubic root of 109045120 is about 477.7515208614.

The spelling of 109045120 in words is "one hundred nine million, forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 170383 340766 681532 851915 1363064 1703830 2726128 3407660 5452256 6815320 10904512 13630640 21809024 27261280 54522560 109045120