Base | Representation |
---|---|
bin | 11010011110001… |
… | …100011101011001 |
3 | 1010221200210011212 |
4 | 122132030131121 |
5 | 1402143413334 |
6 | 112023032505 |
7 | 14001661103 |
oct | 3236143531 |
9 | 1127623155 |
10 | 444122969 |
11 | 208772184 |
12 | 10489b735 |
13 | 7101c974 |
14 | 42dac573 |
15 | 28ecbece |
hex | 1a78c759 |
444122969 has 2 divisors, whose sum is σ = 444122970. Its totient is φ = 444122968.
The previous prime is 444122953. The next prime is 444122971. The reversal of 444122969 is 969221444.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 242113600 + 202009369 = 15560^2 + 14213^2 .
It is a cyclic number.
It is not a de Polignac number, because 444122969 - 24 = 444122953 is a prime.
It is a super-2 number, since 2×4441229692 = 394490423186749922, which contains 22 as substring.
Together with 444122971, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (444122989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222061484 + 222061485.
It is an arithmetic number, because the mean of its divisors is an integer number (222061485).
Almost surely, 2444122969 is an apocalyptic number.
It is an amenable number.
444122969 is a deficient number, since it is larger than the sum of its proper divisors (1).
444122969 is an equidigital number, since it uses as much as digits as its factorization.
444122969 is an evil number, because the sum of its binary digits is even.
The product of its digits is 124416, while the sum is 41.
The square root of 444122969 is about 21074.2252289378. The cubic root of 444122969 is about 762.9587852278.
The spelling of 444122969 in words is "four hundred forty-four million, one hundred twenty-two thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •