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431430474 = 2371905079
BaseRepresentation
bin11001101101110…
…001101101001010
31010001210221100110
4121231301231022
51340421233344
6110451015150
713456045536
oct3155615512
91101727313
10431430474
11201593112
1210059a4b6
136b4c7707
1441426bc6
1527d213b9
hex19b71b4a

431430474 has 8 divisors (see below), whose sum is σ = 862860960. Its totient is φ = 143810156.

The previous prime is 431430449. The next prime is 431430509. The reversal of 431430474 is 474034134.

It is a sphenic number, since it is the product of 3 distinct primes.

431430474 is an admirable number.

It is a super-2 number, since 2×4314304742 = 372264507791729352, which contains 22 as substring.

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, 35952534 + ... + 35952545.

It is an arithmetic number, because the mean of its divisors is an integer number (107857620).

Almost surely, 2431430474 is an apocalyptic number.

431430474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

431430474 is a wasteful number, since it uses less digits than its factorization.

431430474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71905084.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 431430474 is about 20770.9045060633. The cubic root of 431430474 is about 755.6202811605.

The spelling of 431430474 in words is "four hundred thirty-one million, four hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 71905079 143810158 215715237 431430474