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10250381 is a prime number
BaseRepresentation
bin100111000110…
…100010001101
3201021202212202
4213012202031
510111003011
61003411245
7153061331
oct47064215
921252782
1010250381
115871299
123523b25
13217b81b
14150b7c1
15d7723b
hex9c688d

10250381 has 2 divisors, whose sum is σ = 10250382. Its totient is φ = 10250380.

The previous prime is 10250377. The next prime is 10250393. The reversal of 10250381 is 18305201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9060100 + 1190281 = 3010^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 10250381 - 22 = 10250377 is a prime.

It is a super-2 number, since 2×102503812 = 210140621290322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10250351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125190 + 5125191.

It is an arithmetic number, because the mean of its divisors is an integer number (5125191).

Almost surely, 210250381 is an apocalyptic number.

It is an amenable number.

10250381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10250381 is an equidigital number, since it uses as much as digits as its factorization.

10250381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 10250381 is about 3201.6216203668. The cubic root of 10250381 is about 217.2267657143.

Adding to 10250381 its reverse (18305201), we get a palindrome (28555582).

The spelling of 10250381 in words is "ten million, two hundred fifty thousand, three hundred eighty-one".