Base | Representation |
---|---|
bin | 11011001100110… |
… | …00111101001001 |
3 | 120220100002222001 |
4 | 31212120331021 |
5 | 431402324442 |
6 | 34350231001 |
7 | 5440251235 |
oct | 1546307511 |
9 | 526302861 |
10 | 228167497 |
11 | 107881688 |
12 | 644b5461 |
13 | 3836a16c |
14 | 224355c5 |
15 | 150702b7 |
hex | d998f49 |
228167497 has 2 divisors, whose sum is σ = 228167498. Its totient is φ = 228167496.
The previous prime is 228167483. The next prime is 228167519. The reversal of 228167497 is 794761822.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 227285776 + 881721 = 15076^2 + 939^2 .
It is a cyclic number.
It is not a de Polignac number, because 228167497 - 27 = 228167369 is a prime.
It is not a weakly prime, because it can be changed into another prime (228167477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114083748 + 114083749.
It is an arithmetic number, because the mean of its divisors is an integer number (114083749).
Almost surely, 2228167497 is an apocalyptic number.
It is an amenable number.
228167497 is a deficient number, since it is larger than the sum of its proper divisors (1).
228167497 is an equidigital number, since it uses as much as digits as its factorization.
228167497 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 338688, while the sum is 46.
The square root of 228167497 is about 15105.2142321782. The cubic root of 228167497 is about 611.0610369904.
The spelling of 228167497 in words is "two hundred twenty-eight million, one hundred sixty-seven thousand, four hundred ninety-seven".
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