Base | Representation |
---|---|
bin | 11011001100101… |
… | …11101010100010 |
3 | 120220022211201020 |
4 | 31212113222202 |
5 | 431402142320 |
6 | 34350150310 |
7 | 5440226643 |
oct | 1546275242 |
9 | 526284636 |
10 | 228162210 |
11 | 107878711 |
12 | 644b2396 |
13 | 38367933 |
14 | 224336ca |
15 | 1506d940 |
hex | d997aa2 |
228162210 has 32 divisors (see below), whose sum is σ = 551275200. Its totient is φ = 60433728.
The previous prime is 228162197. The next prime is 228162211. The reversal of 228162210 is 12261822.
It is not an unprimeable number, because it can be changed into a prime (228162211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21052 + ... + 29991.
It is an arithmetic number, because the mean of its divisors is an integer number (17227350).
Almost surely, 2228162210 is an apocalyptic number.
228162210 is an abundant number, since it is smaller than the sum of its proper divisors (323112990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228162210 is a wasteful number, since it uses less digits than its factorization.
228162210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51202.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 228162210 is about 15105.0392253711. The cubic root of 228162210 is about 611.0563172053.
The spelling of 228162210 in words is "two hundred twenty-eight million, one hundred sixty-two thousand, two hundred ten".
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