Base | Representation |
---|---|
bin | 11011001100000… |
… | …11110110100111 |
3 | 120220011201101210 |
4 | 31212003312213 |
5 | 431342043223 |
6 | 34344322503 |
7 | 5436441240 |
oct | 1546036647 |
9 | 526151353 |
10 | 228081063 |
11 | 107822751 |
12 | 64473433 |
13 | 38339a12 |
14 | 22411cc7 |
15 | 15054893 |
hex | d983da7 |
228081063 has 16 divisors (see below), whose sum is σ = 348481280. Its totient is φ = 129983616.
The previous prime is 228081059. The next prime is 228081067. The reversal of 228081063 is 360180822.
It is an interprime number because it is at equal distance from previous prime (228081059) and next prime (228081067).
It is not a de Polignac number, because 228081063 - 22 = 228081059 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 228081063.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228081067) 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, 6370 + ... + 22287.
It is an arithmetic number, because the mean of its divisors is an integer number (21780080).
Almost surely, 2228081063 is an apocalyptic number.
228081063 is a deficient number, since it is larger than the sum of its proper divisors (120400217).
228081063 is a wasteful number, since it uses less digits than its factorization.
228081063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29046.
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 228081063 is about 15102.3528961550. The cubic root of 228081063 is about 610.9838668982.
It can be divided in two parts, 22808 and 1063, that added together give a triangular number (23871 = T218).
The spelling of 228081063 in words is "two hundred twenty-eight million, eighty-one thousand, sixty-three".
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