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431424323 = 116728737
BaseRepresentation
bin11001101101110…
…000001101000011
31010001210121220122
4121231300031003
51340421034243
6110450530455
713456021601
oct3155601503
91101717818
10431424323
11201589530
12100596a2b
136b4c4985
1441424871
1527d1e668
hex19b70343

431424323 has 12 divisors (see below), whose sum is σ = 477828792. Its totient is φ = 386305920.

The previous prime is 431424311. The next prime is 431424347. The reversal of 431424323 is 323424134.

It is not a de Polignac number, because 431424323 - 24 = 431424307 is a prime.

It is a super-2 number, since 2×4314243232 = 372253892952016658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431424292 and 431424301.

It is not an unprimeable number, because it can be changed into a prime (431424223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45011 + ... + 53747.

It is an arithmetic number, because the mean of its divisors is an integer number (39819066).

Almost surely, 2431424323 is an apocalyptic number.

431424323 is a deficient number, since it is larger than the sum of its proper divisors (46404469).

431424323 is an equidigital number, since it uses as much as digits as its factorization.

431424323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882 (or 8815 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 431424323 is about 20770.7564378383. The cubic root of 431424323 is about 755.6166901281.

Adding to 431424323 its reverse (323424134), we get a palindrome (754848457).

The spelling of 431424323 in words is "four hundred thirty-one million, four hundred twenty-four thousand, three hundred twenty-three".

Divisors: 1 11 67 737 4489 8737 49379 96107 585379 6439169 39220393 431424323