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44911431 = 32107149313
BaseRepresentation
bin1010101101010…
…0101101000111
310010111201220100
42223110231013
542444131211
64242335143
71053512055
oct253245507
9103451810
1044911431
1123395694
121305a4b3
1393c6216
145d711d5
153e22156
hex2ad4b47

44911431 has 24 divisors (see below), whose sum is σ = 66128400. Its totient is φ = 29367936.

The previous prime is 44911423. The next prime is 44911457. The reversal of 44911431 is 13411944.

It is not a de Polignac number, because 44911431 - 23 = 44911423 is a prime.

It is a super-2 number, since 2×449114312 = 4034073268935522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44911395 and 44911404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44911481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143331 + ... + 143643.

It is an arithmetic number, because the mean of its divisors is an integer number (2755350).

Almost surely, 244911431 is an apocalyptic number.

44911431 is a deficient number, since it is larger than the sum of its proper divisors (21216969).

44911431 is a wasteful number, since it uses less digits than its factorization.

44911431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 572 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 44911431 is about 6701.5991375193. The cubic root of 44911431 is about 355.4558212710.

The spelling of 44911431 in words is "forty-four million, nine hundred eleven thousand, four hundred thirty-one".

Divisors: 1 3 9 107 149 313 321 447 939 963 1341 2817 15943 33491 46637 47829 100473 139911 143487 301419 419733 4990159 14970477 44911431