Base | Representation |
---|---|
bin | 101011111011… |
… | …0100011110000 |
3 | 1121100001012222 |
4 | 1113312203300 |
5 | 21343430000 |
6 | 2141340212 |
7 | 366515600 |
oct | 127664360 |
9 | 47301188 |
10 | 23030000 |
11 | 11aaa864 |
12 | 7867668 |
13 | 4a04626 |
14 | 30b6c00 |
15 | 204da85 |
hex | 15f68f0 |
23030000 has 150 divisors (see below), whose sum is σ = 66241296. Its totient is φ = 7728000.
The previous prime is 23029999. The next prime is 23030011. The reversal of 23030000 is 3032.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a self number, because there is not a number n which added to its sum of digits gives 23030000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 489977 + ... + 490023.
Almost surely, 223030000 is an apocalyptic number.
23030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33120648).
23030000 is an abundant number, since it is smaller than the sum of its proper divisors (43211296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23030000 is an equidigital number, since it uses as much as digits as its factorization.
23030000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89 (or 61 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 8.
The square root of 23030000 is about 4798.9582202807. The cubic root of 23030000 is about 284.5102906552.
Adding to 23030000 its reverse (3032), we get a palindrome (23033032).
The spelling of 23030000 in words is "twenty-three million, thirty thousand".
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