Base | Representation |
---|---|
bin | 1010011001100… |
… | …00111000111001 |
3 | 20002010211212221 |
4 | 11030300320321 |
5 | 134312411212 |
6 | 12353404041 |
7 | 2106313603 |
oct | 514607071 |
9 | 202124787 |
10 | 87232057 |
11 | 45270810 |
12 | 25269621 |
13 | 150c3103 |
14 | b82a173 |
15 | 79d1807 |
hex | 5330e39 |
87232057 has 8 divisors (see below), whose sum is σ = 96583392. Its totient is φ = 78117600.
The previous prime is 87232027. The next prime is 87232063. The reversal of 87232057 is 75023278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-87232057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87232027) 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 in 7 ways as a sum of consecutive naturals, for example, 58444 + ... + 59917.
It is an arithmetic number, because the mean of its divisors is an integer number (12072924).
Almost surely, 287232057 is an apocalyptic number.
It is an amenable number.
87232057 is a deficient number, since it is larger than the sum of its proper divisors (9351335).
87232057 is a wasteful number, since it uses less digits than its factorization.
87232057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118439.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 87232057 is about 9339.8103299799. The cubic root of 87232057 is about 443.4983800777.
The spelling of 87232057 in words is "eighty-seven million, two hundred thirty-two thousand, fifty-seven".
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