Base | Representation |
---|---|
bin | 11010101111011… |
… | …01001010000001 |
3 | 120122002112120002 |
4 | 31113231022001 |
5 | 424411134311 |
6 | 34131525345 |
7 | 5362446401 |
oct | 1527551201 |
9 | 518075502 |
10 | 224318081 |
11 | 105692549 |
12 | 63159855 |
13 | 3761ccc0 |
14 | 21b12801 |
15 | 14a5e93b |
hex | d5ed281 |
224318081 has 8 divisors (see below), whose sum is σ = 242516904. Its totient is φ = 206254080.
The previous prime is 224318033. The next prime is 224318089. The reversal of 224318081 is 180813422.
224318081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 102414400 + 121903681 = 10120^2 + 11041^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-224318081 is a prime.
It is a super-2 number, since 2×2243180812 = 100637202927045122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (224318089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30230 + ... + 36911.
It is an arithmetic number, because the mean of its divisors is an integer number (30314613).
Almost surely, 2224318081 is an apocalyptic number.
It is an amenable number.
224318081 is a deficient number, since it is larger than the sum of its proper divisors (18198823).
224318081 is a wasteful number, since it uses less digits than its factorization.
224318081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67411.
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 224318081 is about 14977.2521177952. The cubic root of 224318081 is about 607.6051230751.
The spelling of 224318081 in words is "two hundred twenty-four million, three hundred eighteen thousand, eighty-one".
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