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44742160 = 245559277
BaseRepresentation
bin1010101010101…
…1011000010000
310010012010201001
42222223120100
542423222120
64234551344
71052205421
oct252533020
9103163631
1044742160
112328a4a1
1212b98554
139367168
145d29648
153ddbe0a
hex2aab610

44742160 has 20 divisors (see below), whose sum is σ = 104025708. Its totient is φ = 17896832.

The previous prime is 44742143. The next prime is 44742161. The reversal of 44742160 is 6124744.

It can be written as a sum of positive squares in 2 ways, for example, as 19219456 + 25522704 = 4384^2 + 5052^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (44742161) by changing a digit.

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, 279559 + ... + 279718.

Almost surely, 244742160 is an apocalyptic number.

44742160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44742160 is an abundant number, since it is smaller than the sum of its proper divisors (59283548).

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

44742160 is a wasteful number, since it uses less digits than its factorization.

44742160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559290 (or 559284 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 44742160 is about 6688.9580653492. The cubic root of 44742160 is about 355.0086885396.

The spelling of 44742160 in words is "forty-four million, seven hundred forty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 559277 1118554 2237108 2796385 4474216 5592770 8948432 11185540 22371080 44742160