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228657882 = 23367103841
BaseRepresentation
bin11011010000100…
…00101011011010
3120221021000122110
431220100223122
5432014023012
634404533150
75444363025
oct1550205332
9527230573
10228657882
11108087062
12646b11b6
13384ac42b
14225221bc
151511a73c
hexda10ada

228657882 has 16 divisors (see below), whose sum is σ = 458566272. Its totient is φ = 76010880.

The previous prime is 228657859. The next prime is 228657889. The reversal of 228657882 is 288756822.

228657882 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228657889) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 49719 + ... + 54122.

It is an arithmetic number, because the mean of its divisors is an integer number (28660392).

Almost surely, 2228657882 is an apocalyptic number.

228657882 is an abundant number, since it is smaller than the sum of its proper divisors (229908390).

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

228657882 is a wasteful number, since it uses less digits than its factorization.

228657882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104213.

The product of its digits is 860160, while the sum is 48.

The square root of 228657882 is about 15121.4378284606. The cubic root of 228657882 is about 611.4984944874.

Subtracting from 228657882 its product of digits (860160), we obtain a palindrome (227797722).

The spelling of 228657882 in words is "two hundred twenty-eight million, six hundred fifty-seven thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 367 734 1101 2202 103841 207682 311523 623046 38109647 76219294 114328941 228657882