Base | Representation |
---|---|
bin | 1010010111100… |
… | …11011001100111 |
3 | 20001200001101212 |
4 | 11023303121213 |
5 | 134231331244 |
6 | 12344142035 |
7 | 2104214405 |
oct | 513633147 |
9 | 201601355 |
10 | 86980199 |
11 | 45109569 |
12 | 2516791b |
13 | 15035597 |
14 | b7a2475 |
15 | 7981d9e |
hex | 52f3667 |
86980199 has 4 divisors (see below), whose sum is σ = 87002880. Its totient is φ = 86957520.
The previous prime is 86980189. The next prime is 86980241. The reversal of 86980199 is 99108968.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 86980199 - 212 = 86976103 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 (86980139) 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, 4007 + ... + 13784.
It is an arithmetic number, because the mean of its divisors is an integer number (21750720).
Almost surely, 286980199 is an apocalyptic number.
86980199 is a deficient number, since it is larger than the sum of its proper divisors (22681).
86980199 is a wasteful number, since it uses less digits than its factorization.
86980199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22680.
The product of its (nonzero) digits is 279936, while the sum is 50.
The square root of 86980199 is about 9326.3175476712. The cubic root of 86980199 is about 443.0711430769.
The spelling of 86980199 in words is "eighty-six million, nine hundred eighty thousand, one hundred ninety-nine".
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