Base | Representation |
---|---|
bin | 11011010001000… |
… | …00110111000111 |
3 | 120221101101120110 |
4 | 31220200313013 |
5 | 432023133132 |
6 | 34410204103 |
7 | 5445060210 |
oct | 1550406707 |
9 | 527341513 |
10 | 228724167 |
11 | 108121941 |
12 | 64723633 |
13 | 38503659 |
14 | 2253c407 |
15 | 151301cc |
hex | da20dc7 |
228724167 has 16 divisors (see below), whose sum is σ = 363686400. Its totient is φ = 125016672.
The previous prime is 228724129. The next prime is 228724193. The reversal of 228724167 is 761427822.
228724167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 228724167 - 211 = 228722119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228724127) 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, 236292 + ... + 237257.
It is an arithmetic number, because the mean of its divisors is an integer number (22730400).
Almost surely, 2228724167 is an apocalyptic number.
228724167 is a deficient number, since it is larger than the sum of its proper divisors (134962233).
228724167 is a wasteful number, since it uses less digits than its factorization.
228724167 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473582.
The product of its digits is 75264, while the sum is 39.
The square root of 228724167 is about 15123.6294255050. The cubic root of 228724167 is about 611.5575773135.
The spelling of 228724167 in words is "two hundred twenty-eight million, seven hundred twenty-four thousand, one hundred sixty-seven".
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