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228886086 = 231113266767
BaseRepresentation
bin11011010010010…
…00011001000110
3120221200121200110
431221020121012
5432043323321
634413453450
75446333242
oct1551103106
9527617613
10228886086
11108222560
12647a1286
133855c270
1422581422
1515163176
hexda48646

228886086 has 32 divisors (see below), whose sum is σ = 537804288. Its totient is φ = 64023840.

The previous prime is 228886081. The next prime is 228886111. The reversal of 228886086 is 680688822.

228886086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228886081) 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, 132526 + ... + 134241.

It is an arithmetic number, because the mean of its divisors is an integer number (16806384).

Almost surely, 2228886086 is an apocalyptic number.

228886086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228886086 is an abundant number, since it is smaller than the sum of its proper divisors (308918202).

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

228886086 is a wasteful number, since it uses less digits than its factorization.

228886086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266796.

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 228886086 is about 15128.9816577323. The cubic root of 228886086 is about 611.7018550769.

The spelling of 228886086 in words is "two hundred twenty-eight million, eight hundred eighty-six thousand, eighty-six".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 266767 533534 800301 1600602 2934437 3467971 5868874 6935942 8803311 10403913 17606622 20807826 38147681 76295362 114443043 228886086