Base | Representation |
---|---|
bin | 101101010000… |
… | …1101111001100 |
3 | 1122122200000102 |
4 | 1122201233030 |
5 | 22033344043 |
6 | 2204350232 |
7 | 405466010 |
oct | 132415714 |
9 | 48580012 |
10 | 23731148 |
11 | 12439621 |
12 | 7b45378 |
13 | 4bbb7cc |
14 | 321a540 |
15 | 213b6b8 |
hex | 16a1bcc |
23731148 has 24 divisors (see below), whose sum is σ = 47712000. Its totient is φ = 10117008.
The previous prime is 23731139. The next prime is 23731159. The reversal of 23731148 is 84113732.
It is a self number, because there is not a number n which added to its sum of digits gives 23731148.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443 + ... + 7701.
It is an arithmetic number, because the mean of its divisors is an integer number (1988000).
Almost surely, 223731148 is an apocalyptic number.
23731148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23731148 is an abundant number, since it is smaller than the sum of its proper divisors (23980852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23731148 is a wasteful number, since it uses less digits than its factorization.
23731148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4469 (or 4467 counting only the distinct ones).
The product of its digits is 4032, while the sum is 29.
The square root of 23731148 is about 4871.4626140411. The cubic root of 23731148 is about 287.3687789324.
The spelling of 23731148 in words is "twenty-three million, seven hundred thirty-one thousand, one hundred forty-eight".
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