Base | Representation |
---|---|
bin | 1010011011001… |
… | …11011000100111 |
3 | 20002120012002010 |
4 | 11031213120213 |
5 | 134342032041 |
6 | 12402245303 |
7 | 2111233431 |
oct | 515473047 |
9 | 202505063 |
10 | 87455271 |
11 | 45403492 |
12 | 25356833 |
13 | 151708a7 |
14 | b887651 |
15 | 7a27a16 |
hex | 5367627 |
87455271 has 32 divisors (see below), whose sum is σ = 128102400. Its totient is φ = 52859520.
The previous prime is 87455267. The next prime is 87455279. The reversal of 87455271 is 17255478.
It is not a de Polignac number, because 87455271 - 22 = 87455267 is a prime.
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87455279) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315585 + ... + 315861.
It is an arithmetic number, because the mean of its divisors is an integer number (4003200).
Almost surely, 287455271 is an apocalyptic number.
87455271 is a deficient number, since it is larger than the sum of its proper divisors (40647129).
87455271 is a wasteful number, since it uses less digits than its factorization.
87455271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 519.
The product of its digits is 78400, while the sum is 39.
The square root of 87455271 is about 9351.7522956930. The cubic root of 87455271 is about 443.8763402479.
The spelling of 87455271 in words is "eighty-seven million, four hundred fifty-five thousand, two hundred seventy-one".
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