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228260166 = 2338043361
BaseRepresentation
bin11011001101011…
…11100101000110
3120220111211002020
431212233211012
5431413311131
634352224010
75441115351
oct1546574506
9526454066
10228260166
11107935272
126453b006
13383a03b4
142245b298
151508c996
hexd9af946

228260166 has 8 divisors (see below), whose sum is σ = 456520344. Its totient is φ = 76086720.

The previous prime is 228260117. The next prime is 228260171. The reversal of 228260166 is 661062822.

228260166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

228260166 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19021675 + ... + 19021686.

It is an arithmetic number, because the mean of its divisors is an integer number (57065043).

Almost surely, 2228260166 is an apocalyptic number.

228260166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228260166 is a wasteful number, since it uses less digits than its factorization.

228260166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38043366.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 228260166 is about 15108.2813714863. The cubic root of 228260166 is about 611.1437521763.

The spelling of 228260166 in words is "two hundred twenty-eight million, two hundred sixty thousand, one hundred sixty-six".

Divisors: 1 2 3 6 38043361 76086722 114130083 228260166