Base | Representation |
---|---|
bin | 101011111011… |
… | …0010100011010 |
3 | 1121022222212121 |
4 | 1113312110122 |
5 | 21343412033 |
6 | 2141331454 |
7 | 366512665 |
oct | 127662432 |
9 | 47288777 |
10 | 23029018 |
11 | 11aaa051 |
12 | 7866b8a |
13 | 4a0404c |
14 | 30b66dc |
15 | 204d62d |
hex | 15f651a |
23029018 has 8 divisors (see below), whose sum is σ = 35016948. Its totient is φ = 11356704.
The previous prime is 23029009. The next prime is 23029031. The reversal of 23029018 is 81092032.
It can be written as a sum of positive squares in 2 ways, for example, as 22972849 + 56169 = 4793^2 + 237^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 23028983 and 23029001.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78721 + ... + 79012.
Almost surely, 223029018 is an apocalyptic number.
23029018 is a deficient number, since it is larger than the sum of its proper divisors (11987930).
23029018 is a wasteful number, since it uses less digits than its factorization.
23029018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157808.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 23029018 is about 4798.8559053174. The cubic root of 23029018 is about 284.5062467548.
The spelling of 23029018 in words is "twenty-three million, twenty-nine thousand, eighteen".
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