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10444381 = 41254741
BaseRepresentation
bin100111110101…
…111001011101
3201122121222221
4213311321131
510133210011
61011505341
7154530043
oct47657135
921577887
1010444381
115994022
1235b8251
132218c0c
14155c393
15db4971
hex9f5e5d

10444381 has 4 divisors (see below), whose sum is σ = 10699164. Its totient is φ = 10189600.

The previous prime is 10444367. The next prime is 10444391. The reversal of 10444381 is 18344401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 6579225 = 1966^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 10444381 - 27 = 10444253 is a prime.

It is a super-2 number, since 2×104443812 = 218170188946322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10444331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127330 + ... + 127411.

It is an arithmetic number, because the mean of its divisors is an integer number (2674791).

Almost surely, 210444381 is an apocalyptic number.

It is an amenable number.

10444381 is a deficient number, since it is larger than the sum of its proper divisors (254783).

10444381 is an equidigital number, since it uses as much as digits as its factorization.

10444381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254782.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 10444381 is about 3231.7767559038. The cubic root of 10444381 is about 218.5886302673.

Adding to 10444381 its reverse (18344401), we get a palindrome (28788782).

The spelling of 10444381 in words is "ten million, four hundred forty-four thousand, three hundred eighty-one".

Divisors: 1 41 254741 10444381