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285793116 = 223716320873
BaseRepresentation
bin10001000010001…
…101101101011100
3201220202210110020
4101002031231130
51041130334431
644205312140
710040126040
oct2102155534
9656683406
10285793116
11137360664
127b865650
134729546b
1429d56020
151a154696
hex1108db5c

285793116 has 48 divisors (see below), whose sum is σ = 766827264. Its totient is φ = 81150336.

The previous prime is 285793111. The next prime is 285793121. The reversal of 285793116 is 611397582.

It is an interprime number because it is at equal distance from previous prime (285793111) and next prime (285793121).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285793111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3256 + ... + 24128.

It is an arithmetic number, because the mean of its divisors is an integer number (15975568).

Almost surely, 2285793116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285793116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383413632).

285793116 is an abundant number, since it is smaller than the sum of its proper divisors (481034148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285793116 is a wasteful number, since it uses less digits than its factorization.

285793116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21050 (or 21048 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 285793116 is about 16905.4167650490. The cubic root of 285793116 is about 658.6943241067.

The spelling of 285793116 in words is "two hundred eighty-five million, seven hundred ninety-three thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 163 326 489 652 978 1141 1956 2282 3423 4564 6846 13692 20873 41746 62619 83492 125238 146111 250476 292222 438333 584444 876666 1753332 3402299 6804598 10206897 13609196 20413794 23816093 40827588 47632186 71448279 95264372 142896558 285793116