Base | Representation |
---|---|
bin | 10010111000001… |
… | …11010001001101 |
3 | 102000222202121002 |
4 | 21130013101031 |
5 | 311020132444 |
6 | 23414150045 |
7 | 3632035544 |
oct | 1134072115 |
9 | 360882532 |
10 | 158364749 |
11 | 81435864 |
12 | 45052325 |
13 | 26a6a36a |
14 | 1706515b |
15 | dd82d4e |
hex | 970744d |
158364749 has 2 divisors, whose sum is σ = 158364750. Its totient is φ = 158364748.
The previous prime is 158364727. The next prime is 158364763. The reversal of 158364749 is 947463851.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 95844100 + 62520649 = 9790^2 + 7907^2 .
It is a cyclic number.
It is not a de Polignac number, because 158364749 - 224 = 141587533 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (158364049) 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, 79182374 + 79182375.
It is an arithmetic number, because the mean of its divisors is an integer number (79182375).
Almost surely, 2158364749 is an apocalyptic number.
It is an amenable number.
158364749 is a deficient number, since it is larger than the sum of its proper divisors (1).
158364749 is an equidigital number, since it uses as much as digits as its factorization.
158364749 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 725760, while the sum is 47.
The square root of 158364749 is about 12584.3056622128. The cubic root of 158364749 is about 541.0277056524.
The spelling of 158364749 in words is "one hundred fifty-eight million, three hundred sixty-four thousand, seven hundred forty-nine".
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