Base | Representation |
---|---|
bin | 1010011000000… |
… | …10000011100011 |
3 | 20001210002202010 |
4 | 11030002003203 |
5 | 134240241402 |
6 | 12345324003 |
7 | 2104554411 |
oct | 514020343 |
9 | 201702663 |
10 | 87040227 |
11 | 4514a67a |
12 | 25196603 |
13 | 150569c1 |
14 | b7ba2b1 |
15 | 7994a6c |
hex | 53020e3 |
87040227 has 4 divisors (see below), whose sum is σ = 116053640. Its totient is φ = 58026816.
The previous prime is 87040201. The next prime is 87040231. The reversal of 87040227 is 72204078.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 87040227 - 214 = 87023843 is a prime.
It is a super-2 number, since 2×870402272 = 15152002232423058, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87040194 and 87040203.
It is not an unprimeable number, because it can be changed into a prime (87040237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14506702 + ... + 14506707.
It is an arithmetic number, because the mean of its divisors is an integer number (29013410).
Almost surely, 287040227 is an apocalyptic number.
87040227 is a deficient number, since it is larger than the sum of its proper divisors (29013413).
87040227 is a wasteful number, since it uses less digits than its factorization.
87040227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29013412.
The product of its (nonzero) digits is 6272, while the sum is 30.
The square root of 87040227 is about 9329.5351974254. The cubic root of 87040227 is about 443.1730458042.
The spelling of 87040227 in words is "eighty-seven million, forty thousand, two hundred twenty-seven".
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