Base | Representation |
---|---|
bin | 1010011110100… |
… | …11000100100101 |
3 | 20010101121010122 |
4 | 11033103010211 |
5 | 140000140412 |
6 | 12415531325 |
7 | 2115051413 |
oct | 517230445 |
9 | 203347118 |
10 | 87896357 |
11 | 4568491a |
12 | 25529b45 |
13 | 152965a3 |
14 | b9602b3 |
15 | 7ab3572 |
hex | 53d3125 |
87896357 has 2 divisors, whose sum is σ = 87896358. Its totient is φ = 87896356.
The previous prime is 87896353. The next prime is 87896359. The reversal of 87896357 is 75369878.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 62504836 + 25391521 = 7906^2 + 5039^2 .
It is a cyclic number.
It is not a de Polignac number, because 87896357 - 22 = 87896353 is a prime.
Together with 87896359, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 87896299 and 87896308.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87896353) 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 as a sum of consecutive naturals, namely, 43948178 + 43948179.
It is an arithmetic number, because the mean of its divisors is an integer number (43948179).
Almost surely, 287896357 is an apocalyptic number.
It is an amenable number.
87896357 is a deficient number, since it is larger than the sum of its proper divisors (1).
87896357 is an equidigital number, since it uses as much as digits as its factorization.
87896357 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2540160, while the sum is 53.
The square root of 87896357 is about 9375.3057016825. The cubic root of 87896357 is about 444.6213283267.
The spelling of 87896357 in words is "eighty-seven million, eight hundred ninety-six thousand, three hundred fifty-seven".
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