Base | Representation |
---|---|
bin | 11110000001001001110001 |
3 | 112210210021222 |
4 | 132001021301 |
5 | 4003302131 |
6 | 440354425 |
7 | 123612545 |
oct | 36011161 |
9 | 15723258 |
10 | 7869041 |
11 | 4495144 |
12 | 2775a15 |
13 | 182694b |
14 | 108ba25 |
15 | a5687b |
hex | 781271 |
7869041 has 2 divisors, whose sum is σ = 7869042. Its totient is φ = 7869040.
The previous prime is 7869031. The next prime is 7869053. The reversal of 7869041 is 1409687.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7268416 + 600625 = 2696^2 + 775^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7869041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7868992 and 7869010.
It is not a weakly prime, because it can be changed into another prime (7869031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934520 + 3934521.
It is an arithmetic number, because the mean of its divisors is an integer number (3934521).
Almost surely, 27869041 is an apocalyptic number.
It is an amenable number.
7869041 is a deficient number, since it is larger than the sum of its proper divisors (1).
7869041 is an equidigital number, since it uses as much as digits as its factorization.
7869041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 7869041 is about 2805.1810993232. The cubic root of 7869041 is about 198.9026652940.
The spelling of 7869041 in words is "seven million, eight hundred sixty-nine thousand, forty-one".
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