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431344012 = 221119974909
BaseRepresentation
bin11001101101011…
…100100110001100
31010001122112202011
4121231130212030
51340411002022
6110445111004
713455235501
oct3155344614
91101575664
10431344012
11201534160
12100558464
136b497258
14414034a8
1527d05977
hex19b5c98c

431344012 has 24 divisors (see below), whose sum is σ = 824055120. Its totient is φ = 195927360.

The previous prime is 431344007. The next prime is 431344021. The reversal of 431344012 is 210443134.

It is a super-2 number, since 2×4313440122 = 372115313376512288, 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 7 ways as a sum of consecutive naturals, for example, 85414 + ... + 90322.

It is an arithmetic number, because the mean of its divisors is an integer number (34335630).

Almost surely, 2431344012 is an apocalyptic number.

It is an amenable number.

431344012 is a deficient number, since it is larger than the sum of its proper divisors (392711108).

431344012 is a wasteful number, since it uses less digits than its factorization.

431344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 431344012 is about 20768.8230769103. The cubic root of 431344012 is about 755.5698004075.

Adding to 431344012 its reverse (210443134), we get a palindrome (641787146).

It can be divided in two parts, 431 and 344012, that added together give a palindrome (344443).

The spelling of 431344012 in words is "four hundred thirty-one million, three hundred forty-four thousand, twelve".

Divisors: 1 2 4 11 22 44 1997 3994 4909 7988 9818 19636 21967 43934 53999 87868 107998 215996 9803273 19606546 39213092 107836003 215672006 431344012