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228330684 = 22332518423
BaseRepresentation
bin11011001110000…
…00110010111100
3120220122101211000
431213000302330
5431423040214
634353530300
75441531061
oct1547006274
9526571730
10228330684
1110798324a
1264573990
13383c651a
1422478c68
15150a3809
hexd9c0cbc

228330684 has 48 divisors (see below), whose sum is σ = 594397440. Its totient is φ = 75798000.

The previous prime is 228330679. The next prime is 228330703. The reversal of 228330684 is 486033822.

228330684 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22897 + ... + 31319.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2228330684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228330684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297198720).

228330684 is an abundant number, since it is smaller than the sum of its proper divisors (366066756).

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

228330684 is a wasteful number, since it uses less digits than its factorization.

228330684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687 (or 8679 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 228330684 is about 15110.6149444687. The cubic root of 228330684 is about 611.2066806592.

The spelling of 228330684 in words is "two hundred twenty-eight million, three hundred thirty thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 251 502 753 1004 1506 2259 3012 4518 6777 8423 9036 13554 16846 25269 27108 33692 50538 75807 101076 151614 227421 303228 454842 909684 2114173 4228346 6342519 8456692 12685038 19027557 25370076 38055114 57082671 76110228 114165342 228330684