Base | Representation |
---|---|
bin | 11011001100100… |
… | …01100011110010 |
3 | 120220021120102000 |
4 | 31212101203302 |
5 | 431400342302 |
6 | 34345434430 |
7 | 5440064016 |
oct | 1546214362 |
9 | 526246360 |
10 | 228137202 |
11 | 107860947 |
12 | 6449ba16 |
13 | 38359437 |
14 | 22428546 |
15 | 1506631c |
hex | d9918f2 |
228137202 has 32 divisors (see below), whose sum is σ = 519341760. Its totient is φ = 74190240.
The previous prime is 228137183. The next prime is 228137213. The reversal of 228137202 is 202731822.
It is a happy number.
228137202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49308 + ... + 53735.
It is an arithmetic number, because the mean of its divisors is an integer number (16229430).
Almost surely, 2228137202 is an apocalyptic number.
228137202 is an abundant number, since it is smaller than the sum of its proper divisors (291204558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228137202 is a wasteful number, since it uses less digits than its factorization.
228137202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103095 (or 103089 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 228137202 is about 15104.2113994740. The cubic root of 228137202 is about 611.0339911962.
The spelling of 228137202 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, two hundred two".
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