Base | Representation |
---|---|
bin | 1000100111010… |
… | …11000011000111 |
3 | 12000222111012211 |
4 | 10103223003013 |
5 | 122000002202 |
6 | 11100524251 |
7 | 1535151556 |
oct | 423530307 |
9 | 160874184 |
10 | 72265927 |
11 | 37879508 |
12 | 20250687 |
13 | 11c83006 |
14 | 9851d9d |
15 | 65271d7 |
hex | 44eb0c7 |
72265927 has 2 divisors, whose sum is σ = 72265928. Its totient is φ = 72265926.
The previous prime is 72265909. The next prime is 72265937. The reversal of 72265927 is 72956227.
It is a strong prime.
It is an emirp because it is prime and its reverse (72956227) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 72265927 - 211 = 72263879 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 72265927.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72265937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132963 + 36132964.
It is an arithmetic number, because the mean of its divisors is an integer number (36132964).
Almost surely, 272265927 is an apocalyptic number.
72265927 is a deficient number, since it is larger than the sum of its proper divisors (1).
72265927 is an equidigital number, since it uses as much as digits as its factorization.
72265927 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 105840, while the sum is 40.
The square root of 72265927 is about 8500.9368307264. The cubic root of 72265927 is about 416.5283116818.
The spelling of 72265927 in words is "seventy-two million, two hundred sixty-five thousand, nine hundred twenty-seven".
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