Base | Representation |
---|---|
bin | 11010101010001… |
… | …11001001111101 |
3 | 120120210222212010 |
4 | 31111013021331 |
5 | 424222410031 |
6 | 34105201433 |
7 | 5353615146 |
oct | 1525071175 |
9 | 516728763 |
10 | 223638141 |
11 | 105268711 |
12 | 62a90279 |
13 | 3744267c |
14 | 219b6acd |
15 | 14978246 |
hex | d54727d |
223638141 has 16 divisors (see below), whose sum is σ = 306166784. Its totient is φ = 145124784.
The previous prime is 223638137. The next prime is 223638157. The reversal of 223638141 is 141836322.
It is not a de Polignac number, because 223638141 - 22 = 223638137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223638099 and 223638108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223638241) 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, 36780 + ... + 42426.
It is an arithmetic number, because the mean of its divisors is an integer number (19135424).
Almost surely, 2223638141 is an apocalyptic number.
It is an amenable number.
223638141 is a deficient number, since it is larger than the sum of its proper divisors (82528643).
223638141 is a wasteful number, since it uses less digits than its factorization.
223638141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6000.
The product of its digits is 6912, while the sum is 30.
The square root of 223638141 is about 14954.5358002179. The cubic root of 223638141 is about 606.9905892346.
The spelling of 223638141 in words is "two hundred twenty-three million, six hundred thirty-eight thousand, one hundred forty-one".
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