Search a number
-
+
285404112 = 24327283139
BaseRepresentation
bin10001000000101…
…110101111010000
3201220001000211200
4101000232233100
51041030412422
644153111200
710033615650
oct2100565720
9656030750
10285404112
11137115374
127b6b8500
134718a396
1429c94360
151a0c92ac
hex1102ebd0

285404112 has 60 divisors (see below), whose sum is σ = 912843360. Its totient is φ = 81543744.

The previous prime is 285404107. The next prime is 285404159. The reversal of 285404112 is 211404582.

285404112 is a `hidden beast` number, since 2 + 8 + 540 + 4 + 112 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140562 + ... + 142577.

It is an arithmetic number, because the mean of its divisors is an integer number (15214056).

Almost surely, 2285404112 is an apocalyptic number.

It is an amenable number.

285404112 is an abundant number, since it is smaller than the sum of its proper divisors (627439248).

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

285404112 is a wasteful number, since it uses less digits than its factorization.

285404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283160 (or 283151 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 285404112 is about 16893.9075408859. The cubic root of 285404112 is about 658.3953303504.

Adding to 285404112 its reverse (211404582), we get a palindrome (496808694).

The spelling of 285404112 in words is "two hundred eighty-five million, four hundred four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 283139 566278 849417 1132556 1698834 1981973 2265112 2548251 3397668 3963946 4530224 5096502 5945919 6795336 7927892 10193004 11891838 13590672 15855784 17837757 20386008 23783676 31711568 35675514 40772016 47567352 71351028 95134704 142702056 285404112