Base | Representation |
---|---|
bin | 101011110111… |
… | …1010110000010 |
3 | 1121021112200112 |
4 | 1113233112002 |
5 | 21342003300 |
6 | 2140551322 |
7 | 366333464 |
oct | 127572602 |
9 | 47245615 |
10 | 23000450 |
11 | 11a8a640 |
12 | 7852542 |
13 | 49c4045 |
14 | 30aa134 |
15 | 2044e35 |
hex | 15ef582 |
23000450 has 96 divisors (see below), whose sum is σ = 51425280. Its totient is φ = 7560000.
The previous prime is 23000447. The next prime is 23000459. The reversal of 23000450 is 5400032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23000459) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323915 + ... + 323985.
It is an arithmetic number, because the mean of its divisors is an integer number (535680).
Almost surely, 223000450 is an apocalyptic number.
23000450 is an abundant number, since it is smaller than the sum of its proper divisors (28424830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23000450 is a wasteful number, since it uses less digits than its factorization.
23000450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144 (or 139 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 23000450 is about 4795.8784388264. The cubic root of 23000450 is about 284.3885526689.
Adding to 23000450 its reverse (5400032), we get a palindrome (28400482).
The spelling of 23000450 in words is "twenty-three million, four hundred fifty", and thus it is an aban number.
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