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44978965 = 568313171
BaseRepresentation
bin1010101110010…
…1001100010101
310010122011112121
42223211030111
543003311330
64244015541
71054213003
oct253451425
9103564477
1044978965
11234313a9
12130915b1
13941ab95
145d8ba73
153e3717a
hex2ae5315

44978965 has 8 divisors (see below), whose sum is σ = 54057888. Its totient is φ = 35927760.

The previous prime is 44978963. The next prime is 44978987. The reversal of 44978965 is 56987944.

It is a happy number.

44978965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44978965 - 21 = 44978963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44978963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (6757236).

Almost surely, 244978965 is an apocalyptic number.

It is an amenable number.

44978965 is a deficient number, since it is larger than the sum of its proper divisors (9078923).

44978965 is a wasteful number, since it uses less digits than its factorization.

44978965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13859.

The product of its digits is 2177280, while the sum is 52.

The square root of 44978965 is about 6706.6358929049. The cubic root of 44978965 is about 355.6339001441.

The spelling of 44978965 in words is "forty-four million, nine hundred seventy-eight thousand, nine hundred sixty-five".

Divisors: 1 5 683 3415 13171 65855 8995793 44978965