Base | Representation |
---|---|
bin | 10001111011100… |
… | …11111011111001 |
3 | 101111001012011002 |
4 | 20331303323321 |
5 | 302001434431 |
6 | 22532014345 |
7 | 3504362615 |
oct | 1075637371 |
9 | 344035132 |
10 | 150421241 |
11 | 779aa783 |
12 | 424613b5 |
13 | 25218869 |
14 | 15d98345 |
15 | d3143cb |
hex | 8f73ef9 |
150421241 has 2 divisors, whose sum is σ = 150421242. Its totient is φ = 150421240.
The previous prime is 150421211. The next prime is 150421247. The reversal of 150421241 is 142124051.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 144096016 + 6325225 = 12004^2 + 2515^2 .
It is a cyclic number.
It is not a de Polignac number, because 150421241 - 26 = 150421177 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (150421247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75210620 + 75210621.
It is an arithmetic number, because the mean of its divisors is an integer number (75210621).
Almost surely, 2150421241 is an apocalyptic number.
It is an amenable number.
150421241 is a deficient number, since it is larger than the sum of its proper divisors (1).
150421241 is an equidigital number, since it uses as much as digits as its factorization.
150421241 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 150421241 is about 12264.6337491178. The cubic root of 150421241 is about 531.8261923506.
Adding to 150421241 its reverse (142124051), we get a palindrome (292545292).
The spelling of 150421241 in words is "one hundred fifty million, four hundred twenty-one thousand, two hundred forty-one".
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