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431044042 = 2111310331459
BaseRepresentation
bin11001101100010…
…011010111001010
31010001002022021011
4121230103113022
51340321402132
6110434434134
713452546112
oct3154232712
91101068234
10431044042
11201349850
1210043294a
136b3c0860
1441366042
1527c96b47
hex19b135ca

431044042 has 32 divisors (see below), whose sum is σ = 760858560. Its totient is φ = 180558720.

The previous prime is 431044001. The next prime is 431044091. The reversal of 431044042 is 240440134.

It is a super-2 number, since 2×4310440422 = 371597932287395528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294709 + ... + 296167.

It is an arithmetic number, because the mean of its divisors is an integer number (23776830).

Almost surely, 2431044042 is an apocalyptic number.

431044042 is a deficient number, since it is larger than the sum of its proper divisors (329814518).

431044042 is a wasteful number, since it uses less digits than its factorization.

431044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 431044042 is about 20761.6001791769. The cubic root of 431044042 is about 755.3946109018.

Adding to 431044042 its reverse (240440134), we get a palindrome (671484176).

The spelling of 431044042 in words is "four hundred thirty-one million, forty-four thousand, forty-two".

Divisors: 1 2 11 13 22 26 143 286 1033 1459 2066 2918 11363 13429 16049 18967 22726 26858 32098 37934 147719 208637 295438 417274 1507147 3014294 16578617 19592911 33157234 39185822 215522021 431044042