Base | Representation |
---|---|
bin | 10000111111010… |
… | …110100001110010 |
3 | 201212100200012211 |
4 | 100333112201302 |
5 | 1040432332202 |
6 | 44141242334 |
7 | 10030552402 |
oct | 2077264162 |
9 | 655320184 |
10 | 285042802 |
11 | 136998970 |
12 | 7b5633aa |
13 | 47091aa5 |
14 | 29bdc802 |
15 | 1a0571d7 |
hex | 10fd6872 |
285042802 has 8 divisors (see below), whose sum is σ = 466433712. Its totient is φ = 129564900.
The previous prime is 285042787. The next prime is 285042809. The reversal of 285042802 is 208240582.
285042802 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 super-2 number, since 2×2850428022 = 162498797944022408, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (285042809) 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, 6478224 + ... + 6478267.
It is an arithmetic number, because the mean of its divisors is an integer number (58304214).
Almost surely, 2285042802 is an apocalyptic number.
285042802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
285042802 is a deficient number, since it is larger than the sum of its proper divisors (181390910).
285042802 is a wasteful number, since it uses less digits than its factorization.
285042802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12956504.
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 285042802 is about 16883.2106543750. The cubic root of 285042802 is about 658.1173791207.
The spelling of 285042802 in words is "two hundred eighty-five million, forty-two thousand, eight hundred two".
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