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44747140 = 22519911243
BaseRepresentation
bin1010101010110…
…0100110000100
310010012101112111
42222230212010
542423402030
64235030404
71052226064
oct252544604
9103171474
1044747140
1123293209
1212b9b404
1393694c9
145d2b3a4
153ddd62a
hex2aac984

44747140 has 24 divisors (see below), whose sum is σ = 94449600. Its totient is φ = 17807328.

The previous prime is 44747123. The next prime is 44747159. The reversal of 44747140 is 4174744.

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, 1642 + ... + 9601.

It is an arithmetic number, because the mean of its divisors is an integer number (3935400).

Almost surely, 244747140 is an apocalyptic number.

It is an amenable number.

44747140 is an abundant number, since it is smaller than the sum of its proper divisors (49702460).

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

44747140 is a wasteful number, since it uses less digits than its factorization.

44747140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451 (or 11449 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 44747140 is about 6689.3303102777. The cubic root of 44747140 is about 355.0218593959.

The spelling of 44747140 in words is "forty-four million, seven hundred forty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 11243 22486 44972 56215 112430 224860 2237357 4474714 8949428 11186785 22373570 44747140