Base | Representation |
---|---|
bin | 11010110111010110111101 |
3 | 111020210111002 |
4 | 122313112331 |
5 | 3300324433 |
6 | 410540045 |
7 | 113601023 |
oct | 32672675 |
9 | 14223432 |
10 | 7042493 |
11 | 3a80147 |
12 | 2437625 |
13 | 15c7673 |
14 | d14713 |
15 | 9419e8 |
hex | 6b75bd |
7042493 has 2 divisors, whose sum is σ = 7042494. Its totient is φ = 7042492.
The previous prime is 7042459. The next prime is 7042501. The reversal of 7042493 is 3942407.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6666724 + 375769 = 2582^2 + 613^2 .
It is a cyclic number.
It is not a de Polignac number, because 7042493 - 210 = 7041469 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7042423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521246 + 3521247.
It is an arithmetic number, because the mean of its divisors is an integer number (3521247).
Almost surely, 27042493 is an apocalyptic number.
It is an amenable number.
7042493 is a deficient number, since it is larger than the sum of its proper divisors (1).
7042493 is an equidigital number, since it uses as much as digits as its factorization.
7042493 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 7042493 is about 2653.7695830648. The cubic root of 7042493 is about 191.6794147370.
The spelling of 7042493 in words is "seven million, forty-two thousand, four hundred ninety-three".
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