Base | Representation |
---|---|
bin | 10001000110111… |
… | …010101110110001 |
3 | 202000002102210012 |
4 | 101012322232301 |
5 | 1041434313342 |
6 | 44251544305 |
7 | 10053452531 |
oct | 2106725661 |
9 | 660072705 |
10 | 287026097 |
11 | 138022a56 |
12 | 8015b095 |
13 | 47607737 |
14 | 2a1974c1 |
15 | 1a2e9b82 |
hex | 111babb1 |
287026097 has 4 divisors (see below), whose sum is σ = 289121316. Its totient is φ = 284930880.
The previous prime is 287026093. The next prime is 287026099. The reversal of 287026097 is 790620782.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 242082481 + 44943616 = 15559^2 + 6704^2 .
It is a cyclic number.
It is not a de Polignac number, because 287026097 - 22 = 287026093 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (287026093) 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, 1047404 + ... + 1047677.
It is an arithmetic number, because the mean of its divisors is an integer number (72280329).
Almost surely, 2287026097 is an apocalyptic number.
It is an amenable number.
287026097 is a deficient number, since it is larger than the sum of its proper divisors (2095219).
287026097 is a wasteful number, since it uses less digits than its factorization.
287026097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2095218.
The product of its (nonzero) digits is 84672, while the sum is 41.
The square root of 287026097 is about 16941.8445571903. The cubic root of 287026097 is about 659.6402209623.
The spelling of 287026097 in words is "two hundred eighty-seven million, twenty-six thousand, ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •