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109442560 = 29542751
BaseRepresentation
bin1101000010111…
…11011000000000
321121221020222011
412201133120000
5211004130220
614505422304
72466150343
oct641373000
9247836864
10109442560
11568608a7
123079a994
131989b716
141076c45a
15991c65a
hex685f600

109442560 has 40 divisors (see below), whose sum is σ = 262411776. Its totient is φ = 43776000.

The previous prime is 109442539. The next prime is 109442621. The reversal of 109442560 is 65244901.

It is a tau number, because it is divible by the number of its divisors (40).

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 3 ways as a sum of consecutive naturals, for example, 18816 + ... + 23935.

Almost surely, 2109442560 is an apocalyptic number.

109442560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109442560 is an abundant number, since it is smaller than the sum of its proper divisors (152969216).

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

109442560 is an frugal number, since it uses more digits than its factorization.

109442560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42774 (or 42758 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 109442560 is about 10461.4798188402. The cubic root of 109442560 is about 478.3312421923.

The spelling of 109442560 in words is "one hundred nine million, four hundred forty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 42751 85502 171004 213755 342008 427510 684016 855020 1368032 1710040 2736064 3420080 5472128 6840160 10944256 13680320 21888512 27360640 54721280 109442560