Base | Representation |
---|---|
bin | 101011111001… |
… | …1111010010000 |
3 | 1121022111100012 |
4 | 1113303322100 |
5 | 21343103102 |
6 | 2141214052 |
7 | 366442142 |
oct | 127637220 |
9 | 47274305 |
10 | 23019152 |
11 | 11aa26a2 |
12 | 7861328 |
13 | 49cc700 |
14 | 30b2c92 |
15 | 204a752 |
hex | 15f3e90 |
23019152 has 30 divisors (see below), whose sum is σ = 48299922. Its totient is φ = 10622976.
The previous prime is 23019133. The next prime is 23019169. The reversal of 23019152 is 25191032.
It can be written as a sum of positive squares in 3 ways, for example, as 2262016 + 20757136 = 1504^2 + 4556^2 .
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1553 + ... + 6960.
Almost surely, 223019152 is an apocalyptic number.
It is an amenable number.
23019152 is an abundant number, since it is smaller than the sum of its proper divisors (25280770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23019152 is a wasteful number, since it uses less digits than its factorization.
23019152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8547 (or 8528 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 23019152 is about 4797.8278418468. The cubic root of 23019152 is about 284.4656119411.
The spelling of 23019152 in words is "twenty-three million, nineteen thousand, one hundred fifty-two".
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