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228364852 = 22241236893
BaseRepresentation
bin11011001110010…
…01001000110100
3120220201010200111
431213021020310
5431430133402
634354352404
75442032512
oct1547111064
9526633614
10228364852
111079a6991
126458b704
1338408c41
14224874b2
15150ad9d7
hexd9c9234

228364852 has 12 divisors (see below), whose sum is σ = 401298436. Its totient is φ = 113708160.

The previous prime is 228364849. The next prime is 228364867. The reversal of 228364852 is 258463822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148011556 + 80353296 = 12166^2 + 8964^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117483 + ... + 119410.

Almost surely, 2228364852 is an apocalyptic number.

It is an amenable number.

228364852 is a deficient number, since it is larger than the sum of its proper divisors (172933584).

228364852 is a wasteful number, since it uses less digits than its factorization.

228364852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237138 (or 237136 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 228364852 is about 15111.7454981217. The cubic root of 228364852 is about 611.2371666600.

The spelling of 228364852 in words is "two hundred twenty-eight million, three hundred sixty-four thousand, eight hundred fifty-two".

Divisors: 1 2 4 241 482 964 236893 473786 947572 57091213 114182426 228364852