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44871345 = 325997141
BaseRepresentation
bin1010101100101…
…0111010110001
310010102200220200
42223022322301
542441340340
64241425413
71053254151
oct253127261
9103380820
1044871345
1123368562
121303b269
1393b0bbc
145d60761
153e15330
hex2acaeb1

44871345 has 12 divisors (see below), whose sum is σ = 77777076. Its totient is φ = 23931360.

The previous prime is 44871271. The next prime is 44871349. The reversal of 44871345 is 54317844.

It can be written as a sum of positive squares in 2 ways, for example, as 23415921 + 21455424 = 4839^2 + 4632^2 .

It is not a de Polignac number, because 44871345 - 214 = 44854961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44871349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498526 + ... + 498615.

It is an arithmetic number, because the mean of its divisors is an integer number (6481423).

Almost surely, 244871345 is an apocalyptic number.

44871345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44871345 is a deficient number, since it is larger than the sum of its proper divisors (32905731).

44871345 is a wasteful number, since it uses less digits than its factorization.

44871345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997152 (or 997149 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 44871345 is about 6698.6076911549. The cubic root of 44871345 is about 355.3500349628.

It can be divided in two parts, 4487 and 1345, that added together give a cube (5832 = 183).

The spelling of 44871345 in words is "forty-four million, eight hundred seventy-one thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 997141 2991423 4985705 8974269 14957115 44871345