Base | Representation |
---|---|
bin | 1010011011100… |
… | …10111001011011 |
3 | 20002122120202122 |
4 | 11031302321123 |
5 | 134400034202 |
6 | 12403251455 |
7 | 2111521055 |
oct | 515627133 |
9 | 202576678 |
10 | 87502427 |
11 | 45435961 |
12 | 25379b8b |
13 | 151891ac |
14 | b89a8d5 |
15 | 7a369a2 |
hex | 5372e5b |
87502427 has 2 divisors, whose sum is σ = 87502428. Its totient is φ = 87502426.
The previous prime is 87502421. The next prime is 87502453. The reversal of 87502427 is 72420578.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87502427 - 28 = 87502171 is a prime.
It is not a weakly prime, because it can be changed into another prime (87502421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43751213 + 43751214.
It is an arithmetic number, because the mean of its divisors is an integer number (43751214).
Almost surely, 287502427 is an apocalyptic number.
87502427 is a deficient number, since it is larger than the sum of its proper divisors (1).
87502427 is an equidigital number, since it uses as much as digits as its factorization.
87502427 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31360, while the sum is 35.
The square root of 87502427 is about 9354.2731946421. The cubic root of 87502427 is about 443.9561054867.
The spelling of 87502427 in words is "eighty-seven million, five hundred two thousand, four hundred twenty-seven".
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