Base | Representation |
---|---|
bin | 1011110000000… |
… | …1111110110101 |
3 | 10102202020210121 |
4 | 2330001332311 |
5 | 100104304224 |
6 | 4520251541 |
7 | 1135653043 |
oct | 274017665 |
9 | 112666717 |
10 | 49291189 |
11 | 25907222 |
12 | 14610bb1 |
13 | a29a8ac |
14 | 6791393 |
15 | 44d9be4 |
hex | 2f01fb5 |
49291189 has 2 divisors, whose sum is σ = 49291190. Its totient is φ = 49291188.
The previous prime is 49291183. The next prime is 49291243. The reversal of 49291189 is 98119294.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49238289 + 52900 = 7017^2 + 230^2 .
It is a cyclic number.
It is not a de Polignac number, because 49291189 - 29 = 49290677 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49291183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24645594 + 24645595.
It is an arithmetic number, because the mean of its divisors is an integer number (24645595).
Almost surely, 249291189 is an apocalyptic number.
It is an amenable number.
49291189 is a deficient number, since it is larger than the sum of its proper divisors (1).
49291189 is an equidigital number, since it uses as much as digits as its factorization.
49291189 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 46656, while the sum is 43.
The square root of 49291189 is about 7020.7684052388. The cubic root of 49291189 is about 366.6540035112.
The spelling of 49291189 in words is "forty-nine million, two hundred ninety-one thousand, one hundred eighty-nine".
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