Base | Representation |
---|---|
bin | 101100110011… |
… | …1000001000110 |
3 | 1122012110002100 |
4 | 1121213001012 |
5 | 22003200010 |
6 | 2155252530 |
7 | 403444542 |
oct | 131470106 |
9 | 48173070 |
10 | 23490630 |
11 | 12294949 |
12 | 7a4a146 |
13 | 4b361a7 |
14 | 3196a22 |
15 | 20e02c0 |
hex | 1667046 |
23490630 has 48 divisors (see below), whose sum is σ = 61414704. Its totient is φ = 6229440.
The previous prime is 23490619. The next prime is 23490637. The reversal of 23490630 is 3609432.
23490630 is a `hidden beast` number, since 23 + 4 + 9 + 0 + 630 = 666.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 23490594 and 23490603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23490637) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18372 + ... + 19608.
It is an arithmetic number, because the mean of its divisors is an integer number (1279473).
Almost surely, 223490630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23490630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30707352).
23490630 is an abundant number, since it is smaller than the sum of its proper divisors (37924074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23490630 is a wasteful number, since it uses less digits than its factorization.
23490630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1461 (or 1458 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 23490630 is about 4846.7133193536. The cubic root of 23490630 is about 286.3946415958.
The spelling of 23490630 in words is "twenty-three million, four hundred ninety thousand, six hundred thirty".
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