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BaseRepresentation
bin11011001110011…
…01100010010100
3120220202001101202
431213031202110
5431431222433
634355012032
75442136160
oct1547154224
9526661352
10228382868
11107a0947a
126459a018
13384141bc
142248dca0
15150b3ee8
hexd9cd894

228382868 has 24 divisors (see below), whose sum is σ = 457363200. Its totient is φ = 97750368.

The previous prime is 228382867. The next prime is 228382873. The reversal of 228382868 is 868283822.

It is a happy number.

228382868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228382867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18293 + ... + 28131.

It is an arithmetic number, because the mean of its divisors is an integer number (19056800).

Almost surely, 2228382868 is an apocalyptic number.

228382868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228382868 is an abundant number, since it is smaller than the sum of its proper divisors (228980332).

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

228382868 is a wasteful number, since it uses less digits than its factorization.

228382868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679 (or 10677 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 228382868 is about 15112.3415789877. The cubic root of 228382868 is about 611.2532400022.

The spelling of 228382868 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred sixty-eight".