Base | Representation |
---|---|
bin | 100111001001… |
… | …011101101101 |
3 | 201022101100012 |
4 | 213021131231 |
5 | 10111344011 |
6 | 1003543005 |
7 | 153141323 |
oct | 47113555 |
9 | 21271305 |
10 | 10262381 |
11 | 587a308 |
12 | 352aa65 |
13 | 218411c |
14 | 1511d13 |
15 | d7aa8b |
hex | 9c976d |
10262381 has 2 divisors, whose sum is σ = 10262382. Its totient is φ = 10262380.
The previous prime is 10262377. The next prime is 10262383. The reversal of 10262381 is 18326201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8649481 + 1612900 = 2941^2 + 1270^2 .
It is a cyclic number.
It is not a de Polignac number, because 10262381 - 22 = 10262377 is a prime.
It is a super-2 number, since 2×102623812 = 210632927578322, which contains 22 as substring.
Together with 10262383, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10262383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5131190 + 5131191.
It is an arithmetic number, because the mean of its divisors is an integer number (5131191).
Almost surely, 210262381 is an apocalyptic number.
It is an amenable number.
10262381 is a deficient number, since it is larger than the sum of its proper divisors (1).
10262381 is an equidigital number, since it uses as much as digits as its factorization.
10262381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 10262381 is about 3203.4951225185. The cubic root of 10262381 is about 217.3115009266.
Adding to 10262381 its reverse (18326201), we get a palindrome (28588582).
The spelling of 10262381 in words is "ten million, two hundred sixty-two thousand, three hundred eighty-one".
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