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234323140 = 22511716157
BaseRepresentation
bin11011111011101…
…11110011000100
3121022220211220211
431331313303010
5434441320030
635130205204
75543466562
oct1575676304
9538824824
10234323140
111102a6497
1266583804
1339713c5c
1423198a32
151588912a
hexdf77cc4

234323140 has 12 divisors (see below), whose sum is σ = 492078636. Its totient is φ = 93729248.

The previous prime is 234323129. The next prime is 234323171. The reversal of 234323140 is 41323432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101243844 + 133079296 = 10062^2 + 11536^2 .

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, 5858059 + ... + 5858098.

It is an arithmetic number, because the mean of its divisors is an integer number (41006553).

Almost surely, 2234323140 is an apocalyptic number.

234323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234323140 is an abundant number, since it is smaller than the sum of its proper divisors (257755496).

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

234323140 is a wasteful number, since it uses less digits than its factorization.

234323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716166 (or 11716164 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 234323140 is about 15307.6170581838. The cubic root of 234323140 is about 616.5075404697.

Adding to 234323140 its reverse (41323432), we get a palindrome (275646572).

The spelling of 234323140 in words is "two hundred thirty-four million, three hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11716157 23432314 46864628 58580785 117161570 234323140