Base | Representation |
---|---|
bin | 1010100110100… |
… | …11110111110101 |
3 | 20012101001000021 |
4 | 11103103313311 |
5 | 140232320323 |
6 | 12454245141 |
7 | 2130022144 |
oct | 523236765 |
9 | 205331007 |
10 | 88948213 |
11 | 46233122 |
12 | 259567b1 |
13 | 155742a3 |
14 | bb5575b |
15 | 7c2005d |
hex | 54d3df5 |
88948213 has 2 divisors, whose sum is σ = 88948214. Its totient is φ = 88948212.
The previous prime is 88948169. The next prime is 88948219. The reversal of 88948213 is 31284988.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 88679889 + 268324 = 9417^2 + 518^2 .
It is a cyclic number.
It is not a de Polignac number, because 88948213 - 225 = 55393781 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 88948213.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (88948219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44474106 + 44474107.
It is an arithmetic number, because the mean of its divisors is an integer number (44474107).
Almost surely, 288948213 is an apocalyptic number.
It is an amenable number.
88948213 is a deficient number, since it is larger than the sum of its proper divisors (1).
88948213 is an equidigital number, since it uses as much as digits as its factorization.
88948213 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 110592, while the sum is 43.
The square root of 88948213 is about 9431.2360271600. The cubic root of 88948213 is about 446.3878950959.
The spelling of 88948213 in words is "eighty-eight million, nine hundred forty-eight thousand, two hundred thirteen".
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