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431324042 = 27913671997
BaseRepresentation
bin11001101101010…
…111101110001010
31010001121112100112
4121231113232022
51340404332132
6110444434322
713455123332
oct3155275612
91101545315
10431324042
11201520156
121005489a2
136b48b136
14413da0c2
1527ceeab2
hex19b57b8a

431324042 has 16 divisors (see below), whose sum is σ = 655983360. Its totient is φ = 212669808.

The previous prime is 431323999. The next prime is 431324053. The reversal of 431324042 is 240423134.

It is a junction number, because it is equal to n+sod(n) for n = 431323999 and 431324017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214988 + ... + 216984.

It is an arithmetic number, because the mean of its divisors is an integer number (40998960).

Almost surely, 2431324042 is an apocalyptic number.

431324042 is a deficient number, since it is larger than the sum of its proper divisors (224659318).

431324042 is a wasteful number, since it uses less digits than its factorization.

431324042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 431324042 is about 20768.3423026490. The cubic root of 431324042 is about 755.5581399838.

Adding to 431324042 its reverse (240423134), we get a palindrome (671747176).

It can be divided in two parts, 43132 and 4042, that added together give a palindrome (47174).

The spelling of 431324042 in words is "four hundred thirty-one million, three hundred twenty-four thousand, forty-two".

Divisors: 1 2 79 158 1367 1997 2734 3994 107993 157763 215986 315526 2729899 5459798 215662021 431324042