Base | Representation |
---|---|
bin | 1010011000001… |
… | …10001101001110 |
3 | 20001210222001212 |
4 | 11030012031032 |
5 | 134241312410 |
6 | 12345534422 |
7 | 2104655111 |
oct | 514061516 |
9 | 201728055 |
10 | 87057230 |
11 | 45161427 |
12 | 251a4412 |
13 | 15061670 |
14 | b7c2578 |
15 | 7999b05 |
hex | 530634e |
87057230 has 32 divisors (see below), whose sum is σ = 170118144. Its totient is φ = 31885056.
The previous prime is 87057211. The next prime is 87057247. The reversal of 87057230 is 3275078.
It is a super-2 number, since 2×870572302 = 15157922590545800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13874 + ... + 19146.
It is an arithmetic number, because the mean of its divisors is an integer number (5316192).
Almost surely, 287057230 is an apocalyptic number.
87057230 is a deficient number, since it is larger than the sum of its proper divisors (83060914).
87057230 is a wasteful number, since it uses less digits than its factorization.
87057230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5420.
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 87057230 is about 9330.4463987528. The cubic root of 87057230 is about 443.2019013536.
The spelling of 87057230 in words is "eighty-seven million, fifty-seven thousand, two hundred thirty".
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