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231342606 = 232111168397
BaseRepresentation
bin11011100101000…
…00001000001110
3121010022102101200
431302200020032
5433210430411
634542250330
75506244145
oct1562401016
9533272350
10231342606
11109650140
12655869a6
1338c0c421
1422a2075c
151549ae56
hexdca020e

231342606 has 24 divisors (see below), whose sum is σ = 546810264. Its totient is φ = 70103760.

The previous prime is 231342593. The next prime is 231342641. The reversal of 231342606 is 606243132.

231342606 is a `hidden beast` number, since 2 + 3 + 13 + 42 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 231342606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584001 + ... + 584396.

It is an arithmetic number, because the mean of its divisors is an integer number (22783761).

Almost surely, 2231342606 is an apocalyptic number.

231342606 is an abundant number, since it is smaller than the sum of its proper divisors (315467658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231342606 is a wasteful number, since it uses less digits than its factorization.

231342606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168416 (or 1168413 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 231342606 is about 15209.9508874947. The cubic root of 231342606 is about 613.8824360142.

Adding to 231342606 its reverse (606243132), we get a palindrome (837585738).

The spelling of 231342606 in words is "two hundred thirty-one million, three hundred forty-two thousand, six hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1168397 2336794 3505191 7010382 10515573 12852367 21031146 25704734 38557101 77114202 115671303 231342606