Base | Representation |
---|---|
bin | 101011111010… |
… | …0010111000000 |
3 | 1121022120212100 |
4 | 1113310113000 |
5 | 21343132432 |
6 | 2141230400 |
7 | 366450411 |
oct | 127642700 |
9 | 47276770 |
10 | 23020992 |
11 | 11aa4015 |
12 | 7862400 |
13 | 4a004b7 |
14 | 30b3808 |
15 | 204b07c |
hex | 15f45c0 |
23020992 has 84 divisors (see below), whose sum is σ = 69896736. Its totient is φ = 7219200.
The previous prime is 23020961. The next prime is 23020997. The reversal of 23020992 is 29902032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020997) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8617 + ... + 10967.
It is an arithmetic number, because the mean of its divisors is an integer number (832104).
Almost surely, 223020992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23020992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34948368).
23020992 is an abundant number, since it is smaller than the sum of its proper divisors (46875744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020992 is a wasteful number, since it uses less digits than its factorization.
23020992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2386 (or 2373 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 23020992 is about 4798.0195914565. The cubic root of 23020992 is about 284.4731911774.
The spelling of 23020992 in words is "twenty-three million, twenty thousand, nine hundred ninety-two".
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