Base | Representation |
---|---|
bin | 1011101110111… |
… | …1001001000101 |
3 | 10102121022221112 |
4 | 2323233021011 |
5 | 100044322041 |
6 | 4514454405 |
7 | 1135212053 |
oct | 273571105 |
9 | 112538845 |
10 | 49214021 |
11 | 2586424a |
12 | 14594405 |
13 | a27172c |
14 | 67711d3 |
15 | 44c1deb |
hex | 2eef245 |
49214021 has 2 divisors, whose sum is σ = 49214022. Its totient is φ = 49214020.
The previous prime is 49214003. The next prime is 49214041. The reversal of 49214021 is 12041294.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29008996 + 20205025 = 5386^2 + 4495^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49214021 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 (49214041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24607010 + 24607011.
It is an arithmetic number, because the mean of its divisors is an integer number (24607011).
Almost surely, 249214021 is an apocalyptic number.
It is an amenable number.
49214021 is a deficient number, since it is larger than the sum of its proper divisors (1).
49214021 is an equidigital number, since it uses as much as digits as its factorization.
49214021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 49214021 is about 7015.2705578616. The cubic root of 49214021 is about 366.4625647382.
The spelling of 49214021 in words is "forty-nine million, two hundred fourteen thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •