Base | Representation |
---|---|
bin | 1010011000001… |
… | …11111100100101 |
3 | 20001211022211211 |
4 | 11030013330211 |
5 | 134242024412 |
6 | 12350031421 |
7 | 2105014642 |
oct | 514077445 |
9 | 201738754 |
10 | 87064357 |
11 | 45166816 |
12 | 251a8571 |
13 | 15064993 |
14 | b7c4dc9 |
15 | 799bca7 |
hex | 5307f25 |
87064357 has 2 divisors, whose sum is σ = 87064358. Its totient is φ = 87064356.
The previous prime is 87064283. The next prime is 87064363. The reversal of 87064357 is 75346078.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 72692676 + 14371681 = 8526^2 + 3791^2 .
It is a cyclic number.
It is not a de Polignac number, because 87064357 - 215 = 87031589 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87044357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43532178 + 43532179.
It is an arithmetic number, because the mean of its divisors is an integer number (43532179).
Almost surely, 287064357 is an apocalyptic number.
It is an amenable number.
87064357 is a deficient number, since it is larger than the sum of its proper divisors (1).
87064357 is an equidigital number, since it uses as much as digits as its factorization.
87064357 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 87064357 is about 9330.8283126419. The cubic root of 87064357 is about 443.2139953663.
The spelling of 87064357 in words is "eighty-seven million, sixty-four thousand, three hundred fifty-seven".
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