Base | Representation |
---|---|
bin | 11011100101011000100101 |
3 | 111121101002022 |
4 | 123211120211 |
5 | 3322343023 |
6 | 414552525 |
7 | 115314446 |
oct | 33453045 |
9 | 14541068 |
10 | 7231013 |
11 | 4099849 |
12 | 2508745 |
13 | 166240a |
14 | d632cd |
15 | 97c7c8 |
hex | 6e5625 |
7231013 has 2 divisors, whose sum is σ = 7231014. Its totient is φ = 7231012.
The previous prime is 7230991. The next prime is 7231019. The reversal of 7231013 is 3101327.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6235009 + 996004 = 2497^2 + 998^2 .
It is a cyclic number.
It is not a de Polignac number, because 7231013 - 212 = 7226917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7230982 and 7231000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7231019) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615506 + 3615507.
It is an arithmetic number, because the mean of its divisors is an integer number (3615507).
Almost surely, 27231013 is an apocalyptic number.
It is an amenable number.
7231013 is a deficient number, since it is larger than the sum of its proper divisors (1).
7231013 is an equidigital number, since it uses as much as digits as its factorization.
7231013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 7231013 is about 2689.0542947289. The cubic root of 7231013 is about 193.3747272313.
The spelling of 7231013 in words is "seven million, two hundred thirty-one thousand, thirteen".
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