Base | Representation |
---|---|
bin | 111010001001… |
… | …011011101000 |
3 | 1001200102102222 |
4 | 322021123220 |
5 | 12400233414 |
6 | 1302413212 |
7 | 243364121 |
oct | 72113350 |
9 | 31612388 |
10 | 15242984 |
11 | 8671309 |
12 | 5131208 |
13 | 3209123 |
14 | 204b048 |
15 | 151168e |
hex | e896e8 |
15242984 has 32 divisors (see below), whose sum is σ = 29694720. Its totient is φ = 7330176.
The previous prime is 15242957. The next prime is 15242987. The reversal of 15242984 is 48924251.
15242984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×152429842 = 464697122448512, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (15242987) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24809 + ... + 25415.
It is an arithmetic number, because the mean of its divisors is an integer number (927960).
Almost surely, 215242984 is an apocalyptic number.
It is an amenable number.
15242984 is a deficient number, since it is larger than the sum of its proper divisors (14451736).
15242984 is a wasteful number, since it uses less digits than its factorization.
15242984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 729 (or 725 counting only the distinct ones).
The product of its digits is 23040, while the sum is 35.
The square root of 15242984 is about 3904.2264278599. The cubic root of 15242984 is about 247.9457477581.
The spelling of 15242984 in words is "fifteen million, two hundred forty-two thousand, nine hundred eighty-four".
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