Base | Representation |
---|---|
bin | 1010010111110… |
… | …01010001110100 |
3 | 20001201021102121 |
4 | 11023321101310 |
5 | 134233114101 |
6 | 12344445324 |
7 | 2104344532 |
oct | 513712164 |
9 | 201637377 |
10 | 87004276 |
11 | 45125667 |
12 | 25179844 |
13 | 15043528 |
14 | b7ab152 |
15 | 79890a1 |
hex | 52f9474 |
87004276 has 6 divisors (see below), whose sum is σ = 152257490. Its totient is φ = 43502136.
The previous prime is 87004273. The next prime is 87004277. The reversal of 87004276 is 67240078.
It can be written as a sum of positive squares in only one way, i.e., 47941776 + 39062500 = 6924^2 + 6250^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87004273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10875531 + ... + 10875538.
Almost surely, 287004276 is an apocalyptic number.
It is an amenable number.
87004276 is a deficient number, since it is larger than the sum of its proper divisors (65253214).
87004276 is a wasteful number, since it uses less digits than its factorization.
87004276 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21751073 (or 21751071 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 87004276 is about 9327.6082679324. The cubic root of 87004276 is about 443.1120214986.
The spelling of 87004276 in words is "eighty-seven million, four thousand, two hundred seventy-six".
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