Base | Representation |
---|---|
bin | 101100110011… |
… | …0100000010010 |
3 | 1122012100012120 |
4 | 1121212200102 |
5 | 22003113110 |
6 | 2155235110 |
7 | 403435452 |
oct | 131464022 |
9 | 48170176 |
10 | 23488530 |
11 | 1229330a |
12 | 7a48a96 |
13 | 4b35250 |
14 | 3195d62 |
15 | 20de870 |
hex | 1666812 |
23488530 has 64 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 5734656.
The previous prime is 23488529. The next prime is 23488547. The reversal of 23488530 is 3588432.
It is a super-3 number, since 3×234885303 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 23488491 and 23488500.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89179 + ... + 89441.
It is an arithmetic number, because the mean of its divisors is an integer number (956340).
Almost surely, 223488530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23488530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30602880).
23488530 is an abundant number, since it is smaller than the sum of its proper divisors (37717230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23488530 is a wasteful number, since it uses less digits than its factorization.
23488530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 23488530 is about 4846.4966728556. The cubic root of 23488530 is about 286.3861070344.
It can be divided in two parts, 2348 and 8530, that added together give a triangular number (10878 = T147).
The spelling of 23488530 in words is "twenty-three million, four hundred eighty-eight thousand, five hundred thirty".
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