Base | Representation |
---|---|
bin | 10001000000111… |
… | …110011101001101 |
3 | 201220011022011011 |
4 | 101000332131031 |
5 | 1041034442433 |
6 | 44154325221 |
7 | 10034304442 |
oct | 2100763515 |
9 | 656138134 |
10 | 285468493 |
11 | 137159782 |
12 | 7b729811 |
13 | 471b078b |
14 | 29cad9c9 |
15 | 1a0dd3cd |
hex | 1103e74d |
285468493 has 8 divisors (see below), whose sum is σ = 292152960. Its totient is φ = 278858160.
The previous prime is 285468487. The next prime is 285468497. The reversal of 285468493 is 394864582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 285468493 - 25 = 285468461 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 (285468497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10705 + ... + 26182.
It is an arithmetic number, because the mean of its divisors is an integer number (36519120).
Almost surely, 2285468493 is an apocalyptic number.
It is an amenable number.
285468493 is a deficient number, since it is larger than the sum of its proper divisors (6684467).
285468493 is a wasteful number, since it uses less digits than its factorization.
285468493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37067.
The product of its digits is 1658880, while the sum is 49.
The square root of 285468493 is about 16895.8128836703. The cubic root of 285468493 is about 658.4448332145. Note that the first 3 decimals are identical.
The spelling of 285468493 in words is "two hundred eighty-five million, four hundred sixty-eight thousand, four hundred ninety-three".
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