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228466886 = 2114233443
BaseRepresentation
bin11011001111000…
…10000011000110
3120220220022122112
431213202003012
5431441420021
634400501022
75442636134
oct1547420306
9526808575
10228466886
11107a6660a
126461a772
133844350b
14224b2754
15150cdd5b
hexd9e20c6

228466886 has 4 divisors (see below), whose sum is σ = 342700332. Its totient is φ = 114233442.

The previous prime is 228466877. The next prime is 228466891. The reversal of 228466886 is 688664822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688664822 = 2344332411.

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 as a sum of consecutive naturals, namely, 57116720 + ... + 57116723.

It is an arithmetic number, because the mean of its divisors is an integer number (85675083).

Almost surely, 2228466886 is an apocalyptic number.

228466886 is a deficient number, since it is larger than the sum of its proper divisors (114233446).

228466886 is a wasteful number, since it uses less digits than its factorization.

228466886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114233445.

The product of its digits is 1769472, while the sum is 50.

The square root of 228466886 is about 15115.1211043776. The cubic root of 228466886 is about 611.3281872151.

The spelling of 228466886 in words is "two hundred twenty-eight million, four hundred sixty-six thousand, eight hundred eighty-six".

Divisors: 1 2 114233443 228466886