Base | Representation |
---|---|
bin | 101011111000… |
… | …0110110011100 |
3 | 1121021212011001 |
4 | 1113300312130 |
5 | 21342202440 |
6 | 2141040044 |
7 | 366360460 |
oct | 127606634 |
9 | 47255131 |
10 | 23006620 |
11 | 11a9423a |
12 | 7856024 |
13 | 49c6ab0 |
14 | 30ac4a0 |
15 | 2046b9a |
hex | 15f0d9c |
23006620 has 48 divisors (see below), whose sum is σ = 59467968. Its totient is φ = 7280640.
The previous prime is 23006609. The next prime is 23006629. The reversal of 23006620 is 2660032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23006629) 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, 4501 + ... + 8140.
It is an arithmetic number, because the mean of its divisors is an integer number (1238916).
Almost surely, 223006620 is an apocalyptic number.
23006620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23006620 is an abundant number, since it is smaller than the sum of its proper divisors (36461348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23006620 is a wasteful number, since it uses less digits than its factorization.
23006620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12670 (or 12668 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 23006620 is about 4796.5216563672. The cubic root of 23006620 is about 284.4139800047.
Adding to 23006620 its reverse (2660032), we get a palindrome (25666652).
The spelling of 23006620 in words is "twenty-three million, six thousand, six hundred twenty".
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