Base | Representation |
---|---|
bin | 100111010010… |
… | …000001001101 |
3 | 201101011101222 |
4 | 213102001031 |
5 | 10114004141 |
6 | 1004413125 |
7 | 153345431 |
oct | 47220115 |
9 | 21334358 |
10 | 10297421 |
11 | 58a3672 |
12 | 35471a5 |
13 | 2197064 |
14 | 15209c1 |
15 | d8614b |
hex | 9d204d |
10297421 has 2 divisors, whose sum is σ = 10297422. Its totient is φ = 10297420.
The previous prime is 10297403. The next prime is 10297429. The reversal of 10297421 is 12479201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9954025 + 343396 = 3155^2 + 586^2 .
It is a cyclic number.
It is not a de Polignac number, because 10297421 - 222 = 6103117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10297429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5148710 + 5148711.
It is an arithmetic number, because the mean of its divisors is an integer number (5148711).
Almost surely, 210297421 is an apocalyptic number.
It is an amenable number.
10297421 is a deficient number, since it is larger than the sum of its proper divisors (1).
10297421 is an equidigital number, since it uses as much as digits as its factorization.
10297421 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 26.
The square root of 10297421 is about 3208.9594886817. The cubic root of 10297421 is about 217.5585503180.
The spelling of 10297421 in words is "ten million, two hundred ninety-seven thousand, four hundred twenty-one".
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