Base | Representation |
---|---|
bin | 100110100100111… |
… | …0101001100111001 |
3 | 10100012200111022201 |
4 | 1031021311030321 |
5 | 10122333012331 |
6 | 332235550201 |
7 | 44035261345 |
oct | 11511651471 |
9 | 3305614281 |
10 | 1294422841 |
11 | 604739048 |
12 | 3015bb361 |
13 | 17823459a |
14 | c3cac625 |
15 | 7898ca61 |
hex | 4d275339 |
1294422841 has 2 divisors, whose sum is σ = 1294422842. Its totient is φ = 1294422840.
The previous prime is 1294422803. The next prime is 1294422907. The reversal of 1294422841 is 1482244921.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1253514025 + 40908816 = 35405^2 + 6396^2 .
It is an emirp because it is prime and its reverse (1482244921) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1294422841 - 217 = 1294291769 is a prime.
It is a super-2 number, since 2×12944228412 = 3351060982605022562, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1294422841.
It is not a weakly prime, because it can be changed into another prime (1294425841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647211420 + 647211421.
It is an arithmetic number, because the mean of its divisors is an integer number (647211421).
Almost surely, 21294422841 is an apocalyptic number.
It is an amenable number.
1294422841 is a deficient number, since it is larger than the sum of its proper divisors (1).
1294422841 is an equidigital number, since it uses as much as digits as its factorization.
1294422841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36864, while the sum is 37.
The square root of 1294422841 is about 35978.0883455472. The cubic root of 1294422841 is about 1089.8299094917.
The spelling of 1294422841 in words is "one billion, two hundred ninety-four million, four hundred twenty-two thousand, eight hundred forty-one".
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