Base | Representation |
---|---|
bin | 11011101010111… |
… | …11010110000111 |
3 | 121011210012210000 |
4 | 31311133112013 |
5 | 433411011311 |
6 | 35011132343 |
7 | 5516015460 |
oct | 1565372607 |
9 | 534705700 |
10 | 232125831 |
11 | 10a035633 |
12 | 658a40b3 |
13 | 39124a82 |
14 | 22b85d67 |
15 | 155a3056 |
hex | dd5f587 |
232125831 has 80 divisors (see below), whose sum is σ = 432115200. Its totient is φ = 121165632.
The previous prime is 232125811. The next prime is 232125857. The reversal of 232125831 is 138521232.
232125831 is a nontrivial binomial coefficient, being equal to C(21547, 2).
It is not a de Polignac number, because 232125831 - 27 = 232125703 is a prime.
It is a super-2 number, since 2×2321258312 = 107764802834881122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 232125795 and 232125804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232125811) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 312046 + ... + 312788.
It is an arithmetic number, because the mean of its divisors is an integer number (5401440).
Almost surely, 2232125831 is an apocalyptic number.
232125831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
232125831 is the 21546-th triangular number.
232125831 is a deficient number, since it is larger than the sum of its proper divisors (199989369).
232125831 is a wasteful number, since it uses less digits than its factorization.
232125831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810 (or 801 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 232125831 is about 15235.6762567337. The cubic root of 232125831 is about 614.5744349150.
The spelling of 232125831 in words is "two hundred thirty-two million, one hundred twenty-five thousand, eight hundred thirty-one".
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