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228833878 = 27133140559
BaseRepresentation
bin11011010001110…
…11101001010110
3120221120222001211
431220323221112
5432040141003
634412412034
75446025110
oct1550735126
9527528054
10228833878
11108197309
126477701a
1338541580
142256a3b0
151515296d
hexda3ba56

228833878 has 32 divisors (see below), whose sum is σ = 436101120. Its totient is φ = 87605280.

The previous prime is 228833873. The next prime is 228833887. The reversal of 228833878 is 878338822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228833873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14638 + ... + 25921.

It is an arithmetic number, because the mean of its divisors is an integer number (13628160).

Almost surely, 2228833878 is an apocalyptic number.

228833878 is a deficient number, since it is larger than the sum of its proper divisors (207267242).

228833878 is a wasteful number, since it uses less digits than its factorization.

228833878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40612.

The product of its digits is 1032192, while the sum is 49.

The square root of 228833878 is about 15127.2561292523. The cubic root of 228833878 is about 611.6553426254.

The spelling of 228833878 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, eight hundred seventy-eight".

Divisors: 1 2 7 13 14 26 31 62 91 182 217 403 434 806 2821 5642 40559 81118 283913 527267 567826 1054534 1257329 2514658 3690869 7381738 8801303 16345277 17602606 32690554 114416939 228833878