Base | Representation |
---|---|
bin | 101100011101… |
… | …1101001011010 |
3 | 1121212102101221 |
4 | 1120323221122 |
5 | 21432003421 |
6 | 2151402254 |
7 | 402104614 |
oct | 130735132 |
9 | 47772357 |
10 | 23312986 |
11 | 12183434 |
12 | 798338a |
13 | 4aa3388 |
14 | 314bdb4 |
15 | 20a7841 |
hex | 163ba5a |
23312986 has 8 divisors (see below), whose sum is σ = 35074260. Its totient is φ = 11621568.
The previous prime is 23312983. The next prime is 23312999. The reversal of 23312986 is 68921332.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 17935225 + 5377761 = 4235^2 + 2319^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (23312983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16621 + ... + 17968.
Almost surely, 223312986 is an apocalyptic number.
23312986 is a deficient number, since it is larger than the sum of its proper divisors (11761274).
23312986 is a wasteful number, since it uses less digits than its factorization.
23312986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34928.
The product of its digits is 15552, while the sum is 34.
The square root of 23312986 is about 4828.3523069470. The cubic root of 23312986 is about 285.6708767147.
The spelling of 23312986 in words is "twenty-three million, three hundred twelve thousand, nine hundred eighty-six".
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