Base | Representation |
---|---|
bin | 101100000111… |
… | …0101010110000 |
3 | 1121112001200110 |
4 | 1120032222300 |
5 | 21410110002 |
6 | 2143421320 |
7 | 400406523 |
oct | 130165260 |
9 | 47461613 |
10 | 23128752 |
11 | 12067a79 |
12 | 78b4840 |
13 | 4a3a56a |
14 | 3100bba |
15 | 206ce6c |
hex | 160eab0 |
23128752 has 20 divisors (see below), whose sum is σ = 59749400. Its totient is φ = 7709568.
The previous prime is 23128733. The next prime is 23128793. The reversal of 23128752 is 25782132.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240877 + ... + 240972.
It is an arithmetic number, because the mean of its divisors is an integer number (2987470).
Almost surely, 223128752 is an apocalyptic number.
It is an amenable number.
23128752 is an abundant number, since it is smaller than the sum of its proper divisors (36620648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23128752 is a wasteful number, since it uses less digits than its factorization.
23128752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481860 (or 481854 counting only the distinct ones).
The product of its digits is 6720, while the sum is 30.
The square root of 23128752 is about 4809.2361139790. The cubic root of 23128752 is about 284.9163681973.
The spelling of 23128752 in words is "twenty-three million, one hundred twenty-eight thousand, seven hundred fifty-two".
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