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228033611 = 13197113003
BaseRepresentation
bin11011001011110…
…00010001001011
3120220002022022022
431211320101023
5431334033421
634343315055
75436153011
oct1545702113
9526068268
10228033611
111077a0033
126444ba8b
1338321240
14223dc8b1
15150457ab
hexd97844b

228033611 has 16 divisors (see below), whose sum is σ = 262160640. Its totient is φ = 196590240.

The previous prime is 228033593. The next prime is 228033647. The reversal of 228033611 is 116330822.

228033611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 228033611 - 210 = 228032587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228033691) 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, 11036 + ... + 24038.

It is an arithmetic number, because the mean of its divisors is an integer number (16385040).

Almost surely, 2228033611 is an apocalyptic number.

228033611 is a deficient number, since it is larger than the sum of its proper divisors (34127029).

228033611 is a wasteful number, since it uses less digits than its factorization.

228033611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13106.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 228033611 is about 15100.7818009532. The cubic root of 228033611 is about 610.9414924650.

The spelling of 228033611 in words is "two hundred twenty-eight million, thirty-three thousand, six hundred eleven".

Divisors: 1 13 19 71 247 923 1349 13003 17537 169039 247057 923213 3211741 12001769 17541047 228033611