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431423032 = 23311739609
BaseRepresentation
bin11001101101101…
…111111000111000
31010001210120010211
4121231233320320
51340421014112
6110450520504
713456015045
oct3155577070
91101716124
10431423032
11201588567
12100596134
136b4c4201
14414241cc
1527d1e0a7
hex19b6fe38

431423032 has 16 divisors (see below), whose sum is σ = 835012800. Its totient is φ = 208752960.

The previous prime is 431423023. The next prime is 431423077. The reversal of 431423032 is 230324134.

It is a happy number.

It is a super-2 number, since 2×4314230322 = 372251665080146048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431422994 and 431423012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869557 + ... + 870052.

It is an arithmetic number, because the mean of its divisors is an integer number (52188300).

Almost surely, 2431423032 is an apocalyptic number.

It is an amenable number.

431423032 is a deficient number, since it is larger than the sum of its proper divisors (403589768).

431423032 is a wasteful number, since it uses less digits than its factorization.

431423032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739646 (or 1739642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 431423032 is about 20770.7253604683. The cubic root of 431423032 is about 755.6159364214.

Adding to 431423032 its reverse (230324134), we get a palindrome (661747166).

The spelling of 431423032 in words is "four hundred thirty-one million, four hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 8 31 62 124 248 1739609 3479218 6958436 13916872 53927879 107855758 215711516 431423032