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228337885 = 5351113007
BaseRepresentation
bin11011001110000…
…10100011011101
3120220122202200201
431213002203131
5431423303020
634354023501
75441561056
oct1547024335
9526582621
10228337885
111079886a6
1264577b91
13383c9899
142247b72d
15150a5a0a
hexd9c28dd

228337885 has 8 divisors (see below), whose sum is σ = 274104576. Its totient is φ = 182604240.

The previous prime is 228337873. The next prime is 228337937. The reversal of 228337885 is 588733822.

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

It is not a de Polignac number, because 228337885 - 25 = 228337853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11052 + ... + 24058.

It is an arithmetic number, because the mean of its divisors is an integer number (34263072).

Almost surely, 2228337885 is an apocalyptic number.

It is an amenable number.

228337885 is a deficient number, since it is larger than the sum of its proper divisors (45766691).

228337885 is a wasteful number, since it uses less digits than its factorization.

228337885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523.

The product of its digits is 645120, while the sum is 46.

The square root of 228337885 is about 15110.8532187961. The cubic root of 228337885 is about 611.2131059207.

The spelling of 228337885 in words is "two hundred twenty-eight million, three hundred thirty-seven thousand, eight hundred eighty-five".

Divisors: 1 5 3511 13007 17555 65035 45667577 228337885