Base | Representation |
---|---|
bin | 1010011001011… |
… | …01001011010000 |
3 | 20002010002000122 |
4 | 11030231023100 |
5 | 134311414343 |
6 | 12353205412 |
7 | 2106221345 |
oct | 514551320 |
9 | 202102018 |
10 | 87216848 |
11 | 45260344 |
12 | 25260868 |
13 | 150b9204 |
14 | b8247cc |
15 | 79cc068 |
hex | 532d2d0 |
87216848 has 20 divisors (see below), whose sum is σ = 171506880. Its totient is φ = 42957024.
The previous prime is 87216839. The next prime is 87216863. The reversal of 87216848 is 84861278.
It is a junction number, because it is equal to n+sod(n) for n = 87216799 and 87216808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39608 + ... + 41751.
It is an arithmetic number, because the mean of its divisors is an integer number (8575344).
Almost surely, 287216848 is an apocalyptic number.
It is an amenable number.
87216848 is a deficient number, since it is larger than the sum of its proper divisors (84290032).
87216848 is a wasteful number, since it uses less digits than its factorization.
87216848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81434 (or 81428 counting only the distinct ones).
The product of its digits is 172032, while the sum is 44.
The square root of 87216848 is about 9338.9960916578. The cubic root of 87216848 is about 443.4726037781.
The spelling of 87216848 in words is "eighty-seven million, two hundred sixteen thousand, eight hundred forty-eight".
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