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285441436 = 22710194337
BaseRepresentation
bin10001000000110…
…111110110011100
3201220002221001001
4101000313312130
51041033111221
644154000044
710034132530
oct2100676634
9656087031
10285441436
11137140415
127b716024
13471a1377
1429ca3bc0
151a0d5391
hex11037d9c

285441436 has 12 divisors (see below), whose sum is σ = 570882928. Its totient is φ = 122332032.

The previous prime is 285441413. The next prime is 285441449. The reversal of 285441436 is 634144582.

285441436 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 285441395 and 285441404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5097141 + ... + 5097196.

Almost surely, 2285441436 is an apocalyptic number.

It is an amenable number.

285441436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

285441436 is a wasteful number, since it uses less digits than its factorization.

285441436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10194348 (or 10194346 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 285441436 is about 16895.0121633576. The cubic root of 285441436 is about 658.4240298623.

The spelling of 285441436 in words is "two hundred eighty-five million, four hundred forty-one thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 10194337 20388674 40777348 71360359 142720718 285441436