Base | Representation |
---|---|
bin | 110111000111… |
… | …0011111011111 |
3 | 2000101000202120 |
4 | 1232032133133 |
5 | 24344121244 |
6 | 2511154023 |
7 | 500414364 |
oct | 156163737 |
9 | 60330676 |
10 | 28895199 |
11 | 15346433 |
12 | 9815913 |
13 | 5ca9168 |
14 | 3ba246b |
15 | 280b819 |
hex | 1b8e7df |
28895199 has 8 divisors (see below), whose sum is σ = 40202112. Its totient is φ = 18425880.
The previous prime is 28895197. The next prime is 28895203. The reversal of 28895199 is 99159882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28895199 - 21 = 28895197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28895197) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209317 + ... + 209454.
It is an arithmetic number, because the mean of its divisors is an integer number (5025264).
Almost surely, 228895199 is an apocalyptic number.
28895199 is a deficient number, since it is larger than the sum of its proper divisors (11306913).
28895199 is a wasteful number, since it uses less digits than its factorization.
28895199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 418797.
The product of its digits is 466560, while the sum is 51.
The square root of 28895199 is about 5375.4254715325. The cubic root of 28895199 is about 306.8611417427.
The spelling of 28895199 in words is "twenty-eight million, eight hundred ninety-five thousand, one hundred ninety-nine".
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