Base | Representation |
---|---|
bin | 101100010110… |
… | …0101111110100 |
3 | 1121202022200120 |
4 | 1120230233310 |
5 | 21423030311 |
6 | 2150211540 |
7 | 401431650 |
oct | 130545764 |
9 | 47668616 |
10 | 23251956 |
11 | 121415a2 |
12 | 7953bb0 |
13 | 4a81670 |
14 | 3133a60 |
15 | 2094706 |
hex | 162cbf4 |
23251956 has 96 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 6044544.
The previous prime is 23251951. The next prime is 23251979. The reversal of 23251956 is 65915232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23251951) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116745 + ... + 116943.
It is an arithmetic number, because the mean of its divisors is an integer number (705600).
Almost surely, 223251956 is an apocalyptic number.
23251956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23251956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).
23251956 is an abundant number, since it is smaller than the sum of its proper divisors (44485644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23251956 is a wasteful number, since it uses less digits than its factorization.
23251956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333 (or 331 counting only the distinct ones).
The product of its digits is 16200, while the sum is 33.
The square root of 23251956 is about 4822.0282039822. The cubic root of 23251956 is about 285.4213772951.
The spelling of 23251956 in words is "twenty-three million, two hundred fifty-one thousand, nine hundred fifty-six".
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