Base | Representation |
---|---|
bin | 10001000000011… |
… | …011111111101001 |
3 | 201212220010112011 |
4 | 101000123333221 |
5 | 1041020433322 |
6 | 44151315521 |
7 | 10033146061 |
oct | 2100337751 |
9 | 655803464 |
10 | 285327337 |
11 | 137072719 |
12 | 7b67bba1 |
13 | 47161459 |
14 | 29c743a1 |
15 | 1a0b1677 |
hex | 1101bfe9 |
285327337 has 4 divisors (see below), whose sum is σ = 302111316. Its totient is φ = 268543360.
The previous prime is 285327319. The next prime is 285327347. The reversal of 285327337 is 733723582.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 733723582 = 2 ⋅366861791.
It can be written as a sum of positive squares in 2 ways, for example, as 186841561 + 98485776 = 13669^2 + 9924^2 .
It is a cyclic number.
It is not a de Polignac number, because 285327337 - 211 = 285325289 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 285327337.
It is not an unprimeable number, because it can be changed into a prime (285327307) 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, 8391964 + ... + 8391997.
It is an arithmetic number, because the mean of its divisors is an integer number (75527829).
Almost surely, 2285327337 is an apocalyptic number.
It is an amenable number.
285327337 is a deficient number, since it is larger than the sum of its proper divisors (16783979).
285327337 is a wasteful number, since it uses less digits than its factorization.
285327337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16783978.
The product of its digits is 211680, while the sum is 40.
The square root of 285327337 is about 16891.6351191944. The cubic root of 285327337 is about 658.3362879463.
The spelling of 285327337 in words is "two hundred eighty-five million, three hundred twenty-seven thousand, three hundred thirty-seven".
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