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44909479 = 145930781
BaseRepresentation
bin1010101101010…
…0001110100111
310010111122020001
42223110032213
542444100404
64242322131
71053503266
oct253241647
9103448201
1044909479
112339417a
1213059347
1393c5374
145d705dd
153e217a4
hex2ad43a7

44909479 has 4 divisors (see below), whose sum is σ = 44941720. Its totient is φ = 44877240.

The previous prime is 44909471. The next prime is 44909503. The reversal of 44909479 is 97490944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44909479 - 23 = 44909471 is a prime.

It is a super-2 number, since 2×449094792 = 4033722608102882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44909471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13932 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (11235430).

Almost surely, 244909479 is an apocalyptic number.

44909479 is a deficient number, since it is larger than the sum of its proper divisors (32241).

44909479 is a wasteful number, since it uses less digits than its factorization.

44909479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32240.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 44909479 is about 6701.4534990553. The cubic root of 44909479 is about 355.4506714327.

The spelling of 44909479 in words is "forty-four million, nine hundred nine thousand, four hundred seventy-nine".

Divisors: 1 1459 30781 44909479