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231234375 = 3564933
BaseRepresentation
bin11011100100001…
…01101101000111
3121010002220221010
431302011231013
5433144000000
634540053303
75505313461
oct1562055507
9533086833
10231234375
11109586899
1265534233
1338ba2098
14229d3131
1515478d50
hexdc85b47

231234375 has 28 divisors (see below), whose sum is σ = 385463816. Its totient is φ = 123300000.

The previous prime is 231234359. The next prime is 231234401. The reversal of 231234375 is 573432132.

It is not a de Polignac number, because 231234375 - 24 = 231234359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 44409 + ... + 49341.

Almost surely, 2231234375 is an apocalyptic number.

231234375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231234375 is a deficient number, since it is larger than the sum of its proper divisors (154229441).

231234375 is an frugal number, since it uses more digits than its factorization.

231234375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4941 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 231234375 is about 15206.3925702318. The cubic root of 231234375 is about 613.7866884488.

The spelling of 231234375 in words is "two hundred thirty-one million, two hundred thirty-four thousand, three hundred seventy-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 3125 4933 9375 14799 15625 24665 46875 73995 123325 369975 616625 1849875 3083125 9249375 15415625 46246875 77078125 231234375