Base | Representation |
---|---|
bin | 1010011011101… |
… | …10010000101010 |
3 | 20002200021122211 |
4 | 11031312100222 |
5 | 134401004302 |
6 | 12403435334 |
7 | 2111606164 |
oct | 515662052 |
9 | 202607584 |
10 | 87516202 |
11 | 45445244 |
12 | 25385b4a |
13 | 15192547 |
14 | b8a1934 |
15 | 7a3aad7 |
hex | 537642a |
87516202 has 8 divisors (see below), whose sum is σ = 132033636. Its totient is φ = 43504992.
The previous prime is 87516199. The next prime is 87516203. The reversal of 87516202 is 20261578.
It can be written as a sum of positive squares in 2 ways, for example, as 63984001 + 23532201 = 7999^2 + 4851^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×875162022 = 15318171225009608, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87516203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126123 + ... + 126814.
Almost surely, 287516202 is an apocalyptic number.
87516202 is a deficient number, since it is larger than the sum of its proper divisors (44517434).
87516202 is a wasteful number, since it uses less digits than its factorization.
87516202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253112.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 87516202 is about 9355.0094601769. The cubic root of 87516202 is about 443.9794007433.
The spelling of 87516202 in words is "eighty-seven million, five hundred sixteen thousand, two hundred two".
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