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431137142 = 22961233523
BaseRepresentation
bin11001101100101…
…010000101110110
31010001021000222022
4121230222011312
51340332342032
6110440433142
713453414412
oct3154520566
91101230868
10431137142
11201402797
121004787b2
136b424047
144138bd42
1527cb4512
hex19b2a176

431137142 has 32 divisors (see below), whose sum is σ = 684197280. Its totient is φ = 203454720.

The previous prime is 431137141. The next prime is 431137159. The reversal of 431137142 is 241731134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431137141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824093 + ... + 824615.

It is an arithmetic number, because the mean of its divisors is an integer number (21381165).

Almost surely, 2431137142 is an apocalyptic number.

431137142 is a deficient number, since it is larger than the sum of its proper divisors (253060138).

431137142 is a wasteful number, since it uses less digits than its factorization.

431137142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 2016, while the sum is 26.

The square root of 431137142 is about 20763.8421781712. The cubic root of 431137142 is about 755.4489921782.

Adding to 431137142 its reverse (241731134), we get a palindrome (672868276).

The spelling of 431137142 in words is "four hundred thirty-one million, one hundred thirty-seven thousand, one hundred forty-two".

Divisors: 1 2 29 58 61 122 233 466 523 1046 1769 3538 6757 13514 14213 15167 28426 30334 31903 63806 121859 243718 412177 824354 925187 1850374 3533911 7067822 7433399 14866798 215568571 431137142