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10445513 = 13803501
BaseRepresentation
bin100111110110…
…001011001001
3201122200112212
4213312023021
510133224023
61011514505
7154533251
oct47661311
921580485
1010445513
115994961
1235b8a35
1322195a0
14155c961
15db4e78
hex9f62c9

10445513 has 4 divisors (see below), whose sum is σ = 11249028. Its totient is φ = 9642000.

The previous prime is 10445503. The next prime is 10445527. The reversal of 10445513 is 31554401.

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 3433609 + 7011904 = 1853^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 10445513 - 28 = 10445257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10445503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401738 + ... + 401763.

It is an arithmetic number, because the mean of its divisors is an integer number (2812257).

Almost surely, 210445513 is an apocalyptic number.

10445513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10445513 is a deficient number, since it is larger than the sum of its proper divisors (803515).

10445513 is an equidigital number, since it uses as much as digits as its factorization.

10445513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803514.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10445513 is about 3231.9518870181. The cubic root of 10445513 is about 218.5965271256.

Adding to 10445513 its reverse (31554401), we get a palindrome (41999914).

The spelling of 10445513 in words is "ten million, four hundred forty-five thousand, five hundred thirteen".

Divisors: 1 13 803501 10445513