Base | Representation |
---|---|
bin | 1110110101011… |
… | …10001010111001 |
3 | 22200011110221202 |
4 | 13122232022321 |
5 | 223324222434 |
6 | 20203143545 |
7 | 3040524326 |
oct | 732561271 |
9 | 280143852 |
10 | 124445369 |
11 | 64278714 |
12 | 35814bb5 |
13 | 1ca22419 |
14 | 12755b4d |
15 | add2a7e |
hex | 76ae2b9 |
124445369 has 2 divisors, whose sum is σ = 124445370. Its totient is φ = 124445368.
The previous prime is 124445359. The next prime is 124445371. The reversal of 124445369 is 963544421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 92409769 + 32035600 = 9613^2 + 5660^2 .
It is a cyclic number.
It is not a de Polignac number, because 124445369 - 24 = 124445353 is a prime.
It is a super-2 number, since 2×1244453692 = 30973299731092322, which contains 22 as substring.
Together with 124445371, 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 (124445329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62222684 + 62222685.
It is an arithmetic number, because the mean of its divisors is an integer number (62222685).
Almost surely, 2124445369 is an apocalyptic number.
It is an amenable number.
124445369 is a deficient number, since it is larger than the sum of its proper divisors (1).
124445369 is an equidigital number, since it uses as much as digits as its factorization.
124445369 is an evil number, because the sum of its binary digits is even.
The product of its digits is 103680, while the sum is 38.
The square root of 124445369 is about 11155.5084599493. The cubic root of 124445369 is about 499.2593955517.
The spelling of 124445369 in words is "one hundred twenty-four million, four hundred forty-five thousand, three hundred sixty-nine".
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