Base | Representation |
---|---|
bin | 11011001100010… |
… | …01101010001101 |
3 | 120220012221000121 |
4 | 31212021222031 |
5 | 431343323340 |
6 | 34345024541 |
7 | 5436600463 |
oct | 1546115215 |
9 | 526187017 |
10 | 228104845 |
11 | 107839601 |
12 | 64485151 |
13 | 383477a7 |
14 | 2241a833 |
15 | 1505b94a |
hex | d989a8d |
228104845 has 24 divisors (see below), whose sum is σ = 283437000. Its totient is φ = 176207616.
The previous prime is 228104843. The next prime is 228104879. The reversal of 228104845 is 548401822.
228104845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 27060804 + 201044041 = 5202^2 + 14179^2 .
It is not a de Polignac number, because 228104845 - 21 = 228104843 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 228104845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228104843) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1530831 + ... + 1530979.
It is an arithmetic number, because the mean of its divisors is an integer number (11809875).
Almost surely, 2228104845 is an apocalyptic number.
It is an amenable number.
228104845 is a deficient number, since it is larger than the sum of its proper divisors (55332155).
228104845 is a wasteful number, since it uses less digits than its factorization.
228104845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369 (or 316 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 34.
The square root of 228104845 is about 15103.1402363879. The cubic root of 228104845 is about 611.0051019117.
The spelling of 228104845 in words is "two hundred twenty-eight million, one hundred four thousand, eight hundred forty-five".
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