Base | Representation |
---|---|
bin | 1010011011110… |
… | …00101011000111 |
3 | 20002200210012221 |
4 | 11031320223013 |
5 | 134401313322 |
6 | 12403553211 |
7 | 2111650045 |
oct | 515705307 |
9 | 202623187 |
10 | 87526087 |
11 | 45451710 |
12 | 2538b807 |
13 | 15196bac |
14 | b8a5395 |
15 | 7a3d9c7 |
hex | 5378ac7 |
87526087 has 16 divisors (see below), whose sum is σ = 97833600. Its totient is φ = 77631840.
The previous prime is 87526069. The next prime is 87526091. The reversal of 87526087 is 78062578.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-87526087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87526037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101464 + ... + 102322.
It is an arithmetic number, because the mean of its divisors is an integer number (6114600).
Almost surely, 287526087 is an apocalyptic number.
87526087 is a deficient number, since it is larger than the sum of its proper divisors (10307513).
87526087 is a wasteful number, since it uses less digits than its factorization.
87526087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1086.
The product of its (nonzero) digits is 188160, while the sum is 43.
The square root of 87526087 is about 9355.5377718226. The cubic root of 87526087 is about 443.9961160145.
It can be divided in two parts, 875 and 26087, that added together give a palindrome (26962).
The spelling of 87526087 in words is "eighty-seven million, five hundred twenty-six thousand, eighty-seven".
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