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231341132 = 221111294657
BaseRepresentation
bin11011100100111…
…11110001001100
3121010022100101002
431302133301030
5433210404012
634542235432
75506236641
oct1562376114
9533270332
10231341132
1110964a020
1265585b78
1338c0b859
1422a1ddc8
151549a7c2
hexdc9fc4c

231341132 has 24 divisors (see below), whose sum is σ = 442137360. Its totient is φ = 105039360.

The previous prime is 231341119. The next prime is 231341141. The reversal of 231341132 is 231143132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47348 + ... + 52004.

It is an arithmetic number, because the mean of its divisors is an integer number (18422390).

Almost surely, 2231341132 is an apocalyptic number.

231341132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231341132 is the 12419-th pentagonal number.

It is an amenable number.

231341132 is a deficient number, since it is larger than the sum of its proper divisors (210796228).

231341132 is a wasteful number, since it uses less digits than its factorization.

231341132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801 (or 5799 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 231341132 is about 15209.9024322972. The cubic root of 231341132 is about 613.8811322269.

Adding to 231341132 its reverse (231143132), we get a palindrome (462484264).

The spelling of 231341132 in words is "two hundred thirty-one million, three hundred forty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 1129 2258 4516 4657 9314 12419 18628 24838 49676 51227 102454 204908 5257753 10515506 21031012 57835283 115670566 231341132