Base | Representation |
---|---|
bin | 1010011001010… |
… | …01000101010110 |
3 | 20002002020000211 |
4 | 11030221011112 |
5 | 134310400321 |
6 | 12353000034 |
7 | 2106121441 |
oct | 514510526 |
9 | 202066024 |
10 | 87200086 |
11 | 45249796 |
12 | 2525301a |
13 | 150b16ac |
14 | b81c658 |
15 | 79c70e1 |
hex | 5329156 |
87200086 has 8 divisors (see below), whose sum is σ = 135019584. Its totient is φ = 42193560.
The previous prime is 87200081. The next prime is 87200111. The reversal of 87200086 is 68000278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87200081) 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, 703165 + ... + 703288.
It is an arithmetic number, because the mean of its divisors is an integer number (16877448).
Almost surely, 287200086 is an apocalyptic number.
87200086 is a deficient number, since it is larger than the sum of its proper divisors (47819498).
87200086 is a wasteful number, since it uses less digits than its factorization.
87200086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1406486.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 87200086 is about 9338.0986287359. The cubic root of 87200086 is about 443.4441919738. Note that the first 3 decimals are identical.
The spelling of 87200086 in words is "eighty-seven million, two hundred thousand, eighty-six".
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