Base | Representation |
---|---|
bin | 101100011010… |
… | …1010111010010 |
3 | 1121211010002202 |
4 | 1120311113102 |
5 | 21430143000 |
6 | 2151043202 |
7 | 401636600 |
oct | 130652722 |
9 | 47733082 |
10 | 23287250 |
11 | 12166068 |
12 | 7970502 |
13 | 4a9474c |
14 | 3142870 |
15 | 209edd5 |
hex | 16355d2 |
23287250 has 48 divisors (see below), whose sum is σ = 50737752. Its totient is φ = 7980000.
The previous prime is 23287211. The next prime is 23287283. The reversal of 23287250 is 5278232.
It can be written as a sum of positive squares in 4 ways, for example, as 2393209 + 20894041 = 1547^2 + 4571^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11300 + ... + 13200.
Almost surely, 223287250 is an apocalyptic number.
23287250 is an abundant number, since it is smaller than the sum of its proper divisors (27450502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23287250 is a wasteful number, since it uses less digits than its factorization.
23287250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1932 (or 1915 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 23287250 is about 4825.6864796628. The cubic root of 23287250 is about 285.5657174023.
The spelling of 23287250 in words is "twenty-three million, two hundred eighty-seven thousand, two hundred fifty".
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