Base | Representation |
---|---|
bin | 1010001000010… |
… | …00010011001000 |
3 | 12220212212001222 |
4 | 11010020103020 |
5 | 133222444043 |
6 | 12233101212 |
7 | 2051136002 |
oct | 504102310 |
9 | 186785058 |
10 | 84968648 |
11 | 43a65226 |
12 | 24557808 |
13 | 147acb0b |
14 | b3db372 |
15 | 76d5d68 |
hex | 51084c8 |
84968648 has 12 divisors (see below), whose sum is σ = 159365115. Its totient is φ = 42471288.
The previous prime is 84968629. The next prime is 84968659. The reversal of 84968648 is 84686948.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 42484324 + 42484324 = 6518^2 + 6518^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=6518.
It is a super-2 number, since 2×849686482 = 14439342285895808, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 84968648.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24443 + ... + 27701.
Almost surely, 284968648 is an apocalyptic number.
It is an amenable number.
84968648 is a deficient number, since it is larger than the sum of its proper divisors (74396467).
84968648 is an frugal number, since it uses more digits than its factorization.
84968648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6524 (or 3261 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 53.
The square root of 84968648 is about 9217.8439995478. The cubic root of 84968648 is about 439.6289019782.
Multiplying 84968648 by its product of digits (2654208), we get a square (225524465270784 = 150174722).
The spelling of 84968648 in words is "eighty-four million, nine hundred sixty-eight thousand, six hundred forty-eight".
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