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44742920 = 2353136083
BaseRepresentation
bin1010101010101…
…1100100001000
310010012011202012
42222223210020
542423233140
64234555052
71052210555
oct252534410
9103164665
1044742920
1123290022
1212b98a88
139367601
145d29a2c
153ddc265
hex2aab908

44742920 has 32 divisors (see below), whose sum is σ = 103921920. Its totient is φ = 17319360.

The previous prime is 44742917. The next prime is 44742937. The reversal of 44742920 is 2924744.

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 7 ways as a sum of consecutive naturals, for example, 16802 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (3247560).

Almost surely, 244742920 is an apocalyptic number.

44742920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44742920 is an abundant number, since it is smaller than the sum of its proper divisors (59179000).

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

44742920 is a wasteful number, since it uses less digits than its factorization.

44742920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36125 (or 36121 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 44742920 is about 6689.0148751516. The cubic root of 44742920 is about 355.0106986130.

The spelling of 44742920 in words is "forty-four million, seven hundred forty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 36083 72166 144332 180415 288664 360830 721660 1118573 1443320 2237146 4474292 5592865 8948584 11185730 22371460 44742920