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431027164 = 22537972551
BaseRepresentation
bin11001101100001…
…111001111011100
31010001001110010001
4121230033033130
51340320332124
6110434224044
713452445651
oct3154171734
91101043101
10431027164
112013380a7
12100425024
136b3b5c79
144135dc28
1527c91b44
hex19b0f3dc

431027164 has 24 divisors (see below), whose sum is σ = 769795488. Its totient is φ = 211099200.

The previous prime is 431027161. The next prime is 431027189. The reversal of 431027164 is 461720134.

It is a super-2 number, since 2×4310271642 = 371568832211765792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431027161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167689 + ... + 170239.

It is an arithmetic number, because the mean of its divisors is an integer number (32074812).

Almost surely, 2431027164 is an apocalyptic number.

It is an amenable number.

431027164 is a deficient number, since it is larger than the sum of its proper divisors (338768324).

431027164 is a wasteful number, since it uses less digits than its factorization.

431027164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 431027164 is about 20761.1937036385. The cubic root of 431027164 is about 755.3847513395.

Adding to 431027164 its reverse (461720134), we get a palindrome (892747298).

The spelling of 431027164 in words is "four hundred thirty-one million, twenty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 53 106 212 797 1594 2551 3188 5102 10204 42241 84482 135203 168964 270406 540812 2033147 4066294 8132588 107756791 215513582 431027164