Base | Representation |
---|---|
bin | 11011100011000… |
… | …11010110010101 |
3 | 121002211202220012 |
4 | 31301203112111 |
5 | 433124444103 |
6 | 34533050005 |
7 | 5504156300 |
oct | 1561432625 |
9 | 532752805 |
10 | 231093653 |
11 | 1094a009a |
12 | 65486905 |
13 | 38b5300b |
14 | 22997b37 |
15 | 1544c2d8 |
hex | dc63595 |
231093653 has 24 divisors (see below), whose sum is σ = 279351072. Its totient is φ = 190469664.
The previous prime is 231093647. The next prime is 231093659. The reversal of 231093653 is 356390132.
It is an interprime number because it is at equal distance from previous prime (231093647) and next prime (231093659).
It is not a de Polignac number, because 231093653 - 214 = 231077269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231093659) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140351 + ... + 141987.
It is an arithmetic number, because the mean of its divisors is an integer number (11639628).
Almost surely, 2231093653 is an apocalyptic number.
It is an amenable number.
231093653 is a deficient number, since it is larger than the sum of its proper divisors (48257419).
231093653 is a wasteful number, since it uses less digits than its factorization.
231093653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1761 (or 1754 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 32.
The square root of 231093653 is about 15201.7647988646. The cubic root of 231093653 is about 613.6621527295.
It can be divided in two parts, 23109 and 3653, that added together give a palindrome (26762).
The spelling of 231093653 in words is "two hundred thirty-one million, ninety-three thousand, six hundred fifty-three".
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