Base | Representation |
---|---|
bin | 11011100011100… |
… | …01101111111000 |
3 | 121002221202210121 |
4 | 31301301233320 |
5 | 433133341012 |
6 | 34534223024 |
7 | 5504523244 |
oct | 1561615770 |
9 | 532852717 |
10 | 231152632 |
11 | 109530437 |
12 | 654b4a74 |
13 | 38b73b09 |
14 | 229b1424 |
15 | 1545ea07 |
hex | dc71bf8 |
231152632 has 24 divisors (see below), whose sum is σ = 457428600. Its totient is φ = 109491984.
The previous prime is 231152617. The next prime is 231152633. The reversal of 231152632 is 236251132.
It is a junction number, because it is equal to n+sod(n) for n = 231152597 and 231152606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231152633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37132 + ... + 42907.
It is an arithmetic number, because the mean of its divisors is an integer number (19059525).
Almost surely, 2231152632 is an apocalyptic number.
It is an amenable number.
231152632 is a deficient number, since it is larger than the sum of its proper divisors (226275968).
231152632 is a wasteful number, since it uses less digits than its factorization.
231152632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80083 (or 80060 counting only the distinct ones).
The product of its digits is 2160, while the sum is 25.
The square root of 231152632 is about 15203.7045485632. The cubic root of 231152632 is about 613.7143539346.
The spelling of 231152632 in words is "two hundred thirty-one million, one hundred fifty-two thousand, six hundred thirty-two".
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