Base | Representation |
---|---|
bin | 1010011000011… |
… | …01101101111110 |
3 | 20001212112021102 |
4 | 11030031231332 |
5 | 134243303443 |
6 | 12350333102 |
7 | 2105143604 |
oct | 514155576 |
9 | 201775242 |
10 | 87087998 |
11 | 45182558 |
12 | 251ba192 |
13 | 1507267a |
14 | b7cd874 |
15 | 79a3cb8 |
hex | 530db7e |
87087998 has 8 divisors (see below), whose sum is σ = 130834008. Its totient is φ = 43476664.
The previous prime is 87087983. The next prime is 87088003. The reversal of 87087998 is 89978078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32036 + ... + 34647.
It is an arithmetic number, because the mean of its divisors is an integer number (16354251).
Almost surely, 287087998 is an apocalyptic number.
87087998 is a deficient number, since it is larger than the sum of its proper divisors (43746010).
87087998 is a wasteful number, since it uses less digits than its factorization.
87087998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67338.
The product of its (nonzero) digits is 2032128, while the sum is 56.
The square root of 87087998 is about 9332.0950488087. The cubic root of 87087998 is about 443.2541077391.
The spelling of 87087998 in words is "eighty-seven million, eighty-seven thousand, nine hundred ninety-eight".
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