Base | Representation |
---|---|
bin | 11011001100011… |
… | …01111100000010 |
3 | 120220020211001200 |
4 | 31212031330002 |
5 | 431344403440 |
6 | 34345242030 |
7 | 5440002540 |
oct | 1546157402 |
9 | 526224050 |
10 | 228122370 |
11 | 107850793 |
12 | 64493316 |
13 | 38352768 |
14 | 22422d90 |
15 | 15061c30 |
hex | d98df02 |
228122370 has 48 divisors (see below), whose sum is σ = 677851200. Its totient is φ = 52142112.
The previous prime is 228122357. The next prime is 228122383. The reversal of 228122370 is 73221822.
It is a happy number.
228122370 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 (228122357) and next prime (228122383).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180420 + ... + 181679.
It is an arithmetic number, because the mean of its divisors is an integer number (14121900).
Almost surely, 2228122370 is an apocalyptic number.
228122370 is an abundant number, since it is smaller than the sum of its proper divisors (449728830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228122370 is a wasteful number, since it uses less digits than its factorization.
228122370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362119 (or 362116 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 228122370 is about 15103.7204026028. The cubic root of 228122370 is about 611.0207490880.
The spelling of 228122370 in words is "two hundred twenty-eight million, one hundred twenty-two thousand, three hundred seventy".
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