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44412745 = 513683273
BaseRepresentation
bin1010100101101…
…0111101001001
310002120101211111
42221122331021
542332201440
64223530321
71046334136
oct251327511
9102511744
1044412745
1123084a53
1212a599a1
139280240
145c8158d
153d744ea
hex2a5af49

44412745 has 8 divisors (see below), whose sum is σ = 57395016. Its totient is φ = 32797056.

The previous prime is 44412727. The next prime is 44412749. The reversal of 44412745 is 54721444.

It can be written as a sum of positive squares in 4 ways, for example, as 495616 + 43917129 = 704^2 + 6627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44412745 - 25 = 44412713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44412749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341572 + ... + 341701.

It is an arithmetic number, because the mean of its divisors is an integer number (7174377).

Almost surely, 244412745 is an apocalyptic number.

It is an amenable number.

44412745 is a deficient number, since it is larger than the sum of its proper divisors (12982271).

44412745 is a wasteful number, since it uses less digits than its factorization.

44412745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683291.

The product of its digits is 17920, while the sum is 31.

The square root of 44412745 is about 6664.2887842590. The cubic root of 44412745 is about 354.1352888157.

The spelling of 44412745 in words is "forty-four million, four hundred twelve thousand, seven hundred forty-five".

Divisors: 1 5 13 65 683273 3416365 8882549 44412745