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228267083 = 11191935659
BaseRepresentation
bin11011001101100…
…01010001001011
3120220112011120102
431212301101023
5431414021313
634352320015
75441144462
oct1546612113
9526464512
10228267083
1110793a490
126454300b
13383a35a5
142245d9d9
151508ea58
hexd9b144b

228267083 has 16 divisors (see below), whose sum is σ = 263529600. Its totient is φ = 195540480.

The previous prime is 228267077. The next prime is 228267089. The reversal of 228267083 is 380762822.

228267083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228267077) and next prime (228267089).

It is a cyclic number.

It is not a de Polignac number, because 228267083 - 218 = 228004939 is a prime.

It is a super-2 number, since 2×2282670832 = 104211722362657778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228267089) 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, 37508 + ... + 43166.

It is an arithmetic number, because the mean of its divisors is an integer number (16470600).

Almost surely, 2228267083 is an apocalyptic number.

228267083 is a deficient number, since it is larger than the sum of its proper divisors (35262517).

228267083 is a wasteful number, since it uses less digits than its factorization.

228267083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 228267083 is about 15108.5102839426. The cubic root of 228267083 is about 611.1499253057.

The spelling of 228267083 in words is "two hundred twenty-eight million, two hundred sixty-seven thousand, eighty-three".

Divisors: 1 11 19 193 209 2123 3667 5659 40337 62249 107521 1092187 1182731 12014057 20751553 228267083