Base | Representation |
---|---|
bin | 111001001110… |
… | …001101101000 |
3 | 1001020002201021 |
4 | 321032031220 |
5 | 12320003144 |
6 | 1253302224 |
7 | 241334005 |
oct | 71161550 |
9 | 31202637 |
10 | 15000424 |
11 | 851604a |
12 | 5034974 |
13 | 31528ba |
14 | 1dc68ac |
15 | 14b4884 |
hex | e4e368 |
15000424 has 64 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 6612480.
The previous prime is 15000413. The next prime is 15000451. The reversal of 15000424 is 42400051.
15000424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 15000398 and 15000407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180687 + ... + 180769.
It is an arithmetic number, because the mean of its divisors is an integer number (496125).
Almost surely, 215000424 is an apocalyptic number.
It is an amenable number.
15000424 is an abundant number, since it is smaller than the sum of its proper divisors (16751576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15000424 is a wasteful number, since it uses less digits than its factorization.
15000424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178 (or 174 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 15000424 is about 3873.0380839852. The cubic root of 15000424 is about 246.6235311310.
Adding to 15000424 its reverse (42400051), we get a palindrome (57400475).
The spelling of 15000424 in words is "fifteen million, four hundred twenty-four", and thus it is an aban number.
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