Base | Representation |
---|---|
bin | 11011001011101… |
… | …10111101010101 |
3 | 120220002000221120 |
4 | 31211312331111 |
5 | 431333400440 |
6 | 34343234153 |
7 | 5436131244 |
oct | 1545667525 |
9 | 526060846 |
10 | 228028245 |
11 | 107796aa5 |
12 | 64448959 |
13 | 3831b973 |
14 | 223da95b |
15 | 15043dd0 |
hex | d976f55 |
228028245 has 8 divisors (see below), whose sum is σ = 364845216. Its totient is φ = 121615056.
The previous prime is 228028243. The next prime is 228028261. The reversal of 228028245 is 542820822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 228028245 - 21 = 228028243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228028243) 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, 7600927 + ... + 7600956.
It is an arithmetic number, because the mean of its divisors is an integer number (45605652).
Almost surely, 2228028245 is an apocalyptic number.
It is an amenable number.
228028245 is a deficient number, since it is larger than the sum of its proper divisors (136816971).
228028245 is a wasteful number, since it uses less digits than its factorization.
228028245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15201891.
The product of its (nonzero) digits is 20480, while the sum is 33.
The square root of 228028245 is about 15100.6041269878. The cubic root of 228028245 is about 610.9367002800.
The spelling of 228028245 in words is "two hundred twenty-eight million, twenty-eight thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •