Base | Representation |
---|---|
bin | 11100010000110110010001 |
3 | 111221102021221 |
4 | 130100312101 |
5 | 3344042131 |
6 | 422445041 |
7 | 116655463 |
oct | 34206621 |
9 | 14842257 |
10 | 7409041 |
11 | 4200582 |
12 | 2593781 |
13 | 16c5463 |
14 | dac133 |
15 | 9b5411 |
hex | 710d91 |
7409041 has 2 divisors, whose sum is σ = 7409042. Its totient is φ = 7409040.
The previous prime is 7409021. The next prime is 7409047. The reversal of 7409041 is 1409047.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7268416 + 140625 = 2696^2 + 375^2 .
It is a cyclic number.
It is not a de Polignac number, because 7409041 - 25 = 7409009 is a prime.
It is an Ulam number.
7409041 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 7408997 and 7409015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7409047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3704520 + 3704521.
It is an arithmetic number, because the mean of its divisors is an integer number (3704521).
Almost surely, 27409041 is an apocalyptic number.
It is an amenable number.
7409041 is a deficient number, since it is larger than the sum of its proper divisors (1).
7409041 is an equidigital number, since it uses as much as digits as its factorization.
7409041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 7409041 is about 2721.9553633372. The cubic root of 7409041 is about 194.9488447887.
The spelling of 7409041 in words is "seven million, four hundred nine thousand, forty-one".
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