Search a number
-
+
285013735 = 557002747
BaseRepresentation
bin10000111111001…
…111011011100111
3201212022012100021
4100333033123213
51040430414420
644140500011
710030401556
oct2077173347
9655265307
10285013735
11136979046
127b54a607
13470817a6
1429bd1d9d
151a04d7aa
hex10fcf6e7

285013735 has 4 divisors (see below), whose sum is σ = 342016488. Its totient is φ = 228010984.

The previous prime is 285013727. The next prime is 285013739. The reversal of 285013735 is 537310582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285013735 - 23 = 285013727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285013735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285013739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28501369 + ... + 28501378.

It is an arithmetic number, because the mean of its divisors is an integer number (85504122).

Almost surely, 2285013735 is an apocalyptic number.

285013735 is a deficient number, since it is larger than the sum of its proper divisors (57002753).

285013735 is an equidigital number, since it uses as much as digits as its factorization.

285013735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57002752.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 285013735 is about 16882.3498068249. The cubic root of 285013735 is about 658.0950080382.

The spelling of 285013735 in words is "two hundred eighty-five million, thirteen thousand, seven hundred thirty-five".

Divisors: 1 5 57002747 285013735