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282385812 = 223237191423
BaseRepresentation
bin10000110101001…
…101110110010100
3201200100200111210
4100311031312110
51034242321222
644004301420
76666145152
oct2065156624
9650320453
10282385812
11135443705
127a6a1870
13466715c7
142970a3d2
1519bced0c
hex10d4dd94

282385812 has 48 divisors (see below), whose sum is σ = 688988160. Its totient is φ = 89847648.

The previous prime is 282385801. The next prime is 282385841. The reversal of 282385812 is 218583282.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197733 + ... + 199155.

It is an arithmetic number, because the mean of its divisors is an integer number (14353920).

Almost surely, 2282385812 is an apocalyptic number.

It is an amenable number.

282385812 is an abundant number, since it is smaller than the sum of its proper divisors (406602348).

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

282385812 is a wasteful number, since it uses less digits than its factorization.

282385812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 2170 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 282385812 is about 16804.3390825108. The cubic root of 282385812 is about 656.0661400942.

The spelling of 282385812 in words is "two hundred eighty-two million, three hundred eighty-five thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 719 1423 1438 2157 2846 2876 4269 4314 5692 8538 8628 16537 17076 32729 33074 49611 65458 66148 98187 99222 130916 196374 198444 392748 1023137 2046274 3069411 4092548 6138822 12277644 23532151 47064302 70596453 94128604 141192906 282385812