Base | Representation |
---|---|
bin | 101011001001111… |
… | …0101011011101001 |
3 | 10201220202001200101 |
4 | 1112103311123221 |
5 | 10431144241134 |
6 | 355404305401 |
7 | 50612065312 |
oct | 12623653351 |
9 | 3656661611 |
10 | 1448040169 |
11 | 683421014 |
12 | 344b42261 |
13 | 1a0ccbb04 |
14 | da459609 |
15 | 871d3e14 |
hex | 564f56e9 |
1448040169 has 2 divisors, whose sum is σ = 1448040170. Its totient is φ = 1448040168.
The previous prime is 1448040119. The next prime is 1448040193. The reversal of 1448040169 is 9610408441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 823690000 + 624350169 = 28700^2 + 24987^2 .
It is an emirp because it is prime and its reverse (9610408441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1448040169 - 217 = 1447909097 is a prime.
It is a super-2 number, since 2×14480401692 = 4193640662075097122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1448040119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724020084 + 724020085.
It is an arithmetic number, because the mean of its divisors is an integer number (724020085).
Almost surely, 21448040169 is an apocalyptic number.
It is an amenable number.
1448040169 is a deficient number, since it is larger than the sum of its proper divisors (1).
1448040169 is an equidigital number, since it uses as much as digits as its factorization.
1448040169 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 1448040169 is about 38053.1229861624. The cubic root of 1448040169 is about 1131.3410264899.
The spelling of 1448040169 in words is "one billion, four hundred forty-eight million, forty thousand, one hundred sixty-nine".
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