Base | Representation |
---|---|
bin | 1010011001110… |
… | …10110011010111 |
3 | 20002012220120212 |
4 | 11030322303113 |
5 | 134320211123 |
6 | 12354320035 |
7 | 2106543152 |
oct | 514726327 |
9 | 202186525 |
10 | 87272663 |
11 | 45299275 |
12 | 2528901b |
13 | 1510873a |
14 | b83ac99 |
15 | 79dd878 |
hex | 533acd7 |
87272663 has 2 divisors, whose sum is σ = 87272664. Its totient is φ = 87272662.
The previous prime is 87272617. The next prime is 87272701. The reversal of 87272663 is 36627278.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 87272663 - 212 = 87268567 is a prime.
It is a super-2 number, since 2×872726632 = 15233035414223138, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87272663.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87272063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43636331 + 43636332.
It is an arithmetic number, because the mean of its divisors is an integer number (43636332).
Almost surely, 287272663 is an apocalyptic number.
87272663 is a deficient number, since it is larger than the sum of its proper divisors (1).
87272663 is an equidigital number, since it uses as much as digits as its factorization.
87272663 is an evil number, because the sum of its binary digits is even.
The product of its digits is 169344, while the sum is 41.
The square root of 87272663 is about 9341.9838899454. The cubic root of 87272663 is about 443.5671846825.
The spelling of 87272663 in words is "eighty-seven million, two hundred seventy-two thousand, six hundred sixty-three".
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