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234485231 is a prime number
BaseRepresentation
bin11011111100111…
…11010111101111
3121100020002021012
431332133113233
5440012011411
635133455435
75545043261
oct1576372757
9540202235
10234485231
111103a7252
126664157b
133976c976
14231dbb31
15158bc18b
hexdf9f5ef

234485231 has 2 divisors, whose sum is σ = 234485232. Its totient is φ = 234485230.

The previous prime is 234485219. The next prime is 234485261. The reversal of 234485231 is 132584432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234485231 - 214 = 234468847 is a prime.

It is a super-2 number, since 2×2344852312 = 109966647114246722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234485261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117242615 + 117242616.

It is an arithmetic number, because the mean of its divisors is an integer number (117242616).

Almost surely, 2234485231 is an apocalyptic number.

234485231 is a deficient number, since it is larger than the sum of its proper divisors (1).

234485231 is an equidigital number, since it uses as much as digits as its factorization.

234485231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 234485231 is about 15312.9105985766. The cubic root of 234485231 is about 616.6496622858.

The spelling of 234485231 in words is "two hundred thirty-four million, four hundred eighty-five thousand, two hundred thirty-one".