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431342044 = 22720037691
BaseRepresentation
bin11001101101011…
…100000111011100
31010001122110001021
4121231130013130
51340410421134
6110445053524
713455226660
oct3155340734
91101573037
10431342044
11201532731
121005572a4
136b4963a3
14414028a0
1527d050b4
hex19b5c1dc

431342044 has 24 divisors (see below), whose sum is σ = 863227008. Its totient is φ = 184744560.

The previous prime is 431342033. The next prime is 431342053. The reversal of 431342044 is 440243134.

It is a congruent number.

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, 52239 + ... + 59929.

It is an arithmetic number, because the mean of its divisors is an integer number (35967792).

Almost surely, 2431342044 is an apocalyptic number.

It is an amenable number.

431342044 is an abundant number, since it is smaller than the sum of its proper divisors (431884964).

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

431342044 is a wasteful number, since it uses less digits than its factorization.

431342044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705 (or 9703 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 431342044 is about 20768.7756981484. The cubic root of 431342044 is about 755.5686513141.

Adding to 431342044 its reverse (440243134), we get a palindrome (871585178).

The spelling of 431342044 in words is "four hundred thirty-one million, three hundred forty-two thousand, forty-four".

Divisors: 1 2 4 7 14 28 2003 4006 7691 8012 14021 15382 28042 30764 53837 56084 107674 215348 15405073 30810146 61620292 107835511 215671022 431342044