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BaseRepresentation
bin11011001101111…
…01110111011100
3120220121210100120
431212331313130
5431422144214
634353354540
75441451066
oct1546756734
9526553316
10228318684
11107975230
1264568a50
13383c0c19
1422474736
151509eea9
hexd9bdddc

228318684 has 24 divisors (see below), whose sum is σ = 581175168. Its totient is φ = 69187440.

The previous prime is 228318679. The next prime is 228318719. The reversal of 228318684 is 486813822.

It is a happy number.

228318684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864712 + ... + 864975.

It is an arithmetic number, because the mean of its divisors is an integer number (24215632).

Almost surely, 2228318684 is an apocalyptic number.

It is an amenable number.

228318684 is an abundant number, since it is smaller than the sum of its proper divisors (352856484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228318684 is a wasteful number, since it uses less digits than its factorization.

228318684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729705 (or 1729703 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 228318684 is about 15110.2178673903. The cubic root of 228318684 is about 611.1959730770.

The spelling of 228318684 in words is "two hundred twenty-eight million, three hundred eighteen thousand, six hundred eighty-four".