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228144886 = 2373083039
BaseRepresentation
bin11011001100100…
…11011011110110
3120220021221221121
431212103123312
5431401114021
634345534154
75440125304
oct1546233366
9526257847
10228144886
111078666a2
12644a435a
133835ca98
142242b274
1515068741
hexd9936f6

228144886 has 8 divisors (see below), whose sum is σ = 351466560. Its totient is φ = 110989368.

The previous prime is 228144871. The next prime is 228144893. The reversal of 228144886 is 688441822.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541446 + ... + 1541593.

It is an arithmetic number, because the mean of its divisors is an integer number (43933320).

Almost surely, 2228144886 is an apocalyptic number.

228144886 is a deficient number, since it is larger than the sum of its proper divisors (123321674).

228144886 is a wasteful number, since it uses less digits than its factorization.

228144886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083078.

The product of its digits is 196608, while the sum is 43.

The square root of 228144886 is about 15104.4657634754. The cubic root of 228144886 is about 611.0408512968.

The spelling of 228144886 in words is "two hundred twenty-eight million, one hundred forty-four thousand, eight hundred eighty-six".

Divisors: 1 2 37 74 3083039 6166078 114072443 228144886