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431044044 = 223172112961
BaseRepresentation
bin11001101100010…
…011010111001100
31010001002022021020
4121230103113030
51340321402134
6110434434140
713452546114
oct3154232714
91101068236
10431044044
11201349852
12100432950
136b3c0862
1441366044
1527c96b49
hex19b135cc

431044044 has 24 divisors (see below), whose sum is σ = 1064932848. Its totient is φ = 135229440.

The previous prime is 431044001. The next prime is 431044091. The reversal of 431044044 is 440440134.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056277 + ... + 1056684.

It is an arithmetic number, because the mean of its divisors is an integer number (44372202).

Almost surely, 2431044044 is an apocalyptic number.

It is an amenable number.

431044044 is an abundant number, since it is smaller than the sum of its proper divisors (633888804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431044044 is a wasteful number, since it uses less digits than its factorization.

431044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112985 (or 2112983 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 431044044 is about 20761.6002273428. The cubic root of 431044044 is about 755.3946120701.

Adding to 431044044 its reverse (440440134), we get a palindrome (871484178).

The spelling of 431044044 in words is "four hundred thirty-one million, forty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 2112961 4225922 6338883 8451844 12677766 25355532 35920337 71840674 107761011 143681348 215522022 431044044