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10445 = 52089
BaseRepresentation
bin10100011001101
3112022212
42203031
5313240
6120205
742311
oct24315
915285
1010445
117936
126065
1349a6
143b41
153165
hex28cd

10445 has 4 divisors (see below), whose sum is σ = 12540. Its totient is φ = 8352.

The previous prime is 10433. The next prime is 10453. The reversal of 10445 is 54401.

Adding to 10445 its reverse (54401), we get a palindrome (64846).

Subtracting 10445 from its reverse (54401), we obtain a triangular number (43956 = T296).

10445 = 582 + 592 + 602.

10445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6724 + 3721 = 82^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 10445 - 24 = 10429 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (3135).

210445 is an apocalyptic number.

It is an amenable number.

10445 is a deficient number, since it is larger than the sum of its proper divisors (2095).

10445 is an equidigital number, since it uses as much as digits as its factorization.

10445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 10445 is about 102.2007827759. The cubic root of 10445 is about 21.8592948496.

The spelling of 10445 in words is "ten thousand, four hundred forty-five".

Divisors: 1 5 2089 10445