Base | Representation |
---|---|
bin | 111010001011… |
… | …101100000110 |
3 | 1001200220010102 |
4 | 322023230012 |
5 | 12401032410 |
6 | 1302524102 |
7 | 243433100 |
oct | 72135406 |
9 | 31626112 |
10 | 15252230 |
11 | 8678254 |
12 | 5136632 |
13 | 32103b6 |
14 | 2050570 |
15 | 15142a5 |
hex | e8bb06 |
15252230 has 48 divisors (see below), whose sum is σ = 33833376. Its totient is φ = 4919040.
The previous prime is 15252227. The next prime is 15252239. The reversal of 15252230 is 3225251.
15252230 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
15252230 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15252239) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7415 + ... + 9245.
It is an arithmetic number, because the mean of its divisors is an integer number (704862).
Almost surely, 215252230 is an apocalyptic number.
15252230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15252230 is an abundant number, since it is smaller than the sum of its proper divisors (18581146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15252230 is a wasteful number, since it uses less digits than its factorization.
15252230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1869 (or 1862 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 15252230 is about 3905.4103497584. The cubic root of 15252230 is about 247.9958701185.
Adding to 15252230 its reverse (3225251), we get a palindrome (18477481).
The spelling of 15252230 in words is "fifteen million, two hundred fifty-two thousand, two hundred thirty".
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