Search a number
-
+
285551113 = 1133597039
BaseRepresentation
bin10001000001010…
…010101000001001
3201220022111111011
4101001102220021
51041100113423
644200203521
710035100351
oct2101225011
9656274434
10285551113
11137205861
127b7695a1
134720c273
1429cd1b61
151a107b0d
hex11052a09

285551113 has 8 divisors (see below), whose sum is σ = 288921600. Its totient is φ = 282195648.

The previous prime is 285551099. The next prime is 285551131. The reversal of 285551113 is 311155582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285551113 - 225 = 251996681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285551173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37048 + ... + 44086.

It is an arithmetic number, because the mean of its divisors is an integer number (36115200).

Almost surely, 2285551113 is an apocalyptic number.

It is an amenable number.

285551113 is a deficient number, since it is larger than the sum of its proper divisors (3370487).

285551113 is a wasteful number, since it uses less digits than its factorization.

285551113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511.

The product of its digits is 6000, while the sum is 31.

The square root of 285551113 is about 16898.2576912533. The cubic root of 285551113 is about 658.5083492312.

The spelling of 285551113 in words is "two hundred eighty-five million, five hundred fifty-one thousand, one hundred thirteen".

Divisors: 1 113 359 7039 40567 795407 2527001 285551113