Base | Representation |
---|---|
bin | 101101001001… |
… | …0011110001100 |
3 | 1122112111020120 |
4 | 1122102132030 |
5 | 22024343440 |
6 | 2203144540 |
7 | 405115503 |
oct | 132223614 |
9 | 48474216 |
10 | 23668620 |
11 | 123a6648 |
12 | 7b15150 |
13 | 4b99201 |
14 | 320183a |
15 | 2127dd0 |
hex | 169278c |
23668620 has 48 divisors (see below), whose sum is σ = 66500448. Its totient is φ = 6289920.
The previous prime is 23668613. The next prime is 23668627. The reversal of 23668620 is 2686632.
It is an interprime number because it is at equal distance from previous prime (23668613) and next prime (23668627).
It is not an unprimeable number, because it can be changed into a prime (23668627) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24792 + ... + 25728.
It is an arithmetic number, because the mean of its divisors is an integer number (1385426).
Almost surely, 223668620 is an apocalyptic number.
23668620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23668620 is an abundant number, since it is smaller than the sum of its proper divisors (42831828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23668620 is a wasteful number, since it uses less digits than its factorization.
23668620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1370 (or 1368 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 23668620 is about 4865.0405959252. The cubic root of 23668620 is about 287.1161657892.
The spelling of 23668620 in words is "twenty-three million, six hundred sixty-eight thousand, six hundred twenty".
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