Base | Representation |
---|---|
bin | 101011111001… |
… | …1101101011000 |
3 | 1121022110012200 |
4 | 1113303231120 |
5 | 21343041303 |
6 | 2141210200 |
7 | 366436554 |
oct | 127635530 |
9 | 47273180 |
10 | 23018328 |
11 | 11aa2013 |
12 | 7860960 |
13 | 49cc218 |
14 | 30b2864 |
15 | 204a3a3 |
hex | 15f3b58 |
23018328 has 24 divisors (see below), whose sum is σ = 62341500. Its totient is φ = 7672752.
The previous prime is 23018327. The next prime is 23018341. The reversal of 23018328 is 82381032.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23018327) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159778 + ... + 159921.
Almost surely, 223018328 is an apocalyptic number.
It is an amenable number.
23018328 is an abundant number, since it is smaller than the sum of its proper divisors (39323172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23018328 is a wasteful number, since it uses less digits than its factorization.
23018328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319711 (or 319704 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 23018328 is about 4797.7419688849. The cubic root of 23018328 is about 284.4622176304.
The spelling of 23018328 in words is "twenty-three million, eighteen thousand, three hundred twenty-eight".
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