Base | Representation |
---|---|
bin | 11111011100010110000100 |
3 | 120111202200011 |
4 | 133130112010 |
5 | 4102230224 |
6 | 452400004 |
7 | 130026541 |
oct | 37342604 |
9 | 16452604 |
10 | 8242564 |
11 | 471a840 |
12 | 2916004 |
13 | 1927975 |
14 | 1147bc8 |
15 | acc394 |
hex | 7dc584 |
8242564 has 48 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 3542400.
The previous prime is 8242547. The next prime is 8242567. The reversal of 8242564 is 4652428.
8242564 = T257 + T258 + ... + T404.
It is a super-2 number, since 2×82425642 = 135879722588192, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8242567) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99267 + ... + 99349.
It is an arithmetic number, because the mean of its divisors is an integer number (346332).
Almost surely, 28242564 is an apocalyptic number.
It is an amenable number.
8242564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
8242564 is a wasteful number, since it uses less digits than its factorization.
8242564 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196 (or 194 counting only the distinct ones).
The product of its digits is 15360, while the sum is 31.
The square root of 8242564 is about 2870.9865900070. The cubic root of 8242564 is about 202.0012743768.
The spelling of 8242564 in words is "eight million, two hundred forty-two thousand, five hundred sixty-four".
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