Search a number
-
+
285395432 = 2375096347
BaseRepresentation
bin10001000000101…
…100100111101000
3201220000120221012
4101000230213220
51041030123212
644153003052
710033551440
oct2100544750
9656016835
10285395432
111371098a3
127b6b3488
134718644a
1429c91120
151a0c6922
hex1102c9e8

285395432 has 16 divisors (see below), whose sum is σ = 611561760. Its totient is φ = 122312304.

The previous prime is 285395413. The next prime is 285395441. The reversal of 285395432 is 234593582.

It is a self number, because there is not a number n which added to its sum of digits gives 285395432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548118 + ... + 2548229.

It is an arithmetic number, because the mean of its divisors is an integer number (38222610).

Almost surely, 2285395432 is an apocalyptic number.

It is an amenable number.

285395432 is an abundant number, since it is smaller than the sum of its proper divisors (326166328).

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

285395432 is a wasteful number, since it uses less digits than its factorization.

285395432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096360 (or 5096356 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 285395432 is about 16893.6506415872. The cubic root of 285395432 is about 658.3886556867.

The spelling of 285395432 in words is "two hundred eighty-five million, three hundred ninety-five thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 5096347 10192694 20385388 35674429 40770776 71348858 142697716 285395432