Base | Representation |
---|---|
bin | 1010011000100… |
… | …11001100100100 |
3 | 20001220200001110 |
4 | 11030103030210 |
5 | 134300013221 |
6 | 12351025020 |
7 | 2105266200 |
oct | 514231444 |
9 | 201820043 |
10 | 87110436 |
11 | 451983a6 |
12 | 2520b170 |
13 | 1507c94a |
14 | b7d7b00 |
15 | 79aa776 |
hex | 5313324 |
87110436 has 36 divisors (see below), whose sum is σ = 236444208. Its totient is φ = 24888528.
The previous prime is 87110417. The next prime is 87110449. The reversal of 87110436 is 63401178.
It is a happy number.
It is a super-2 number, since 2×871104362 = 15176456120220192, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73486 + ... + 74661.
Almost surely, 287110436 is an apocalyptic number.
It is an amenable number.
87110436 is an abundant number, since it is smaller than the sum of its proper divisors (149333772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87110436 is a wasteful number, since it uses less digits than its factorization.
87110436 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148168 (or 148159 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 87110436 is about 9333.2971665966. The cubic root of 87110436 is about 443.2921722327.
The spelling of 87110436 in words is "eighty-seven million, one hundred ten thousand, four hundred thirty-six".
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