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44638113 = 3137315679
BaseRepresentation
bin1010101001000…
…1111110100001
310002222211222110
42222101332201
542411404423
64232425533
71051263162
oct252217641
9102884873
1044638113
1123219303
1212b482a9
13932b9b0
145cdd769
153dbb193
hex2a91fa1

44638113 has 16 divisors (see below), whose sum is σ = 64977920. Its totient is φ = 27091584.

The previous prime is 44638093. The next prime is 44638123. The reversal of 44638113 is 31183644.

44638113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44638113 - 214 = 44621729 is a prime.

It is a super-2 number, since 2×446381132 = 3985122264401538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44638123) 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 15 ways as a sum of consecutive naturals, for example, 4993 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (4061120).

Almost surely, 244638113 is an apocalyptic number.

It is an amenable number.

44638113 is a deficient number, since it is larger than the sum of its proper divisors (20339807).

44638113 is a wasteful number, since it uses less digits than its factorization.

44638113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768.

The product of its digits is 6912, while the sum is 30.

The square root of 44638113 is about 6681.1760192349. The cubic root of 44638113 is about 354.7332864087.

The spelling of 44638113 in words is "forty-four million, six hundred thirty-eight thousand, one hundred thirteen".

Divisors: 1 3 13 39 73 219 949 2847 15679 47037 203827 611481 1144567 3433701 14879371 44638113