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431142212 = 22263409831
BaseRepresentation
bin11001101100101…
…011010101000100
31010001021021221002
4121230223111010
51340333022322
6110440512432
713453435244
oct3154532504
91101237832
10431142212
11201406586
1210047b718
136b426447
144138db24
1527cb5c92
hex19b2b544

431142212 has 12 divisors (see below), whose sum is σ = 757369536. Its totient is φ = 214750920.

The previous prime is 431142169. The next prime is 431142221. The reversal of 431142212 is 212241134.

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, 203864 + ... + 205967.

It is an arithmetic number, because the mean of its divisors is an integer number (63114128).

Almost surely, 2431142212 is an apocalyptic number.

It is an amenable number.

431142212 is a deficient number, since it is larger than the sum of its proper divisors (326227324).

431142212 is a wasteful number, since it uses less digits than its factorization.

431142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410098 (or 410096 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 431142212 is about 20763.9642650434. The cubic root of 431142212 is about 755.4519534257.

Adding to 431142212 its reverse (212241134), we get a palindrome (643383346).

The spelling of 431142212 in words is "four hundred thirty-one million, one hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 263 526 1052 409831 819662 1639324 107785553 215571106 431142212