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231146034 = 2372786211
BaseRepresentation
bin11011100011100…
…00001000110010
3121002221102202020
431301300020302
5433133133114
634534132310
75504465100
oct1561601062
9532842666
10231146034
11109526489
12654b1096
1338b70b02
14229acc70
151545caa9
hexdc70232

231146034 has 24 divisors (see below), whose sum is σ = 537769008. Its totient is φ = 66041640.

The previous prime is 231146017. The next prime is 231146081. The reversal of 231146034 is 430641132.

It is a junction number, because it is equal to n+sod(n) for n = 231145995 and 231146013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392812 + ... + 393399.

It is an arithmetic number, because the mean of its divisors is an integer number (22407042).

Almost surely, 2231146034 is an apocalyptic number.

231146034 is an abundant number, since it is smaller than the sum of its proper divisors (306622974).

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

231146034 is a wasteful number, since it uses less digits than its factorization.

231146034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786230 (or 786223 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 231146034 is about 15203.4875604251. The cubic root of 231146034 is about 613.7085146099.

Adding to 231146034 its reverse (430641132), we get a palindrome (661787166).

The spelling of 231146034 in words is "two hundred thirty-one million, one hundred forty-six thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 786211 1572422 2358633 4717266 5503477 11006954 16510431 33020862 38524339 77048678 115573017 231146034