Base | Representation |
---|---|
bin | 10001000100000… |
… | …111000011011110 |
3 | 201221201001020121 |
4 | 101010013003132 |
5 | 1041242241032 |
6 | 44224105154 |
7 | 10044266065 |
oct | 2104070336 |
9 | 657631217 |
10 | 286290142 |
11 | 137670026 |
12 | 7ba651ba |
13 | 4740a768 |
14 | 2a0451dc |
15 | 1a201a97 |
hex | 111070de |
286290142 has 8 divisors (see below), whose sum is σ = 429854832. Its totient is φ = 143005200.
The previous prime is 286290107. The next prime is 286290143. The reversal of 286290142 is 241092682.
286290142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 286290098 and 286290107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286290143) 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, 67359 + ... + 71482.
It is an arithmetic number, because the mean of its divisors is an integer number (53731854).
Almost surely, 2286290142 is an apocalyptic number.
286290142 is a deficient number, since it is larger than the sum of its proper divisors (143564690).
286290142 is a wasteful number, since it uses less digits than its factorization.
286290142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139874.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 286290142 is about 16920.1105788349. The cubic root of 286290142 is about 659.0759505138.
The spelling of 286290142 in words is "two hundred eighty-six million, two hundred ninety thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •