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13045443 = 3172291117
BaseRepresentation
bin110001110000…
…111011000011
3220112202222120
4301300323003
511314423233
61143335323
7215612235
oct61607303
926482876
1013045443
117400264
124451543
132919ac8
141a38255
15122a4b3
hexc70ec3

13045443 has 16 divisors (see below), whose sum is σ = 18514080. Its totient is φ = 8142336.

The previous prime is 13045441. The next prime is 13045453. The reversal of 13045443 is 34454031.

13045443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13045443 - 21 = 13045441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13045441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11121 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (1157130).

Almost surely, 213045443 is an apocalyptic number.

13045443 is a deficient number, since it is larger than the sum of its proper divisors (5468637).

13045443 is a wasteful number, since it uses less digits than its factorization.

13045443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 13045443 is about 3611.8475881465. The cubic root of 13045443 is about 235.4071288728.

Adding to 13045443 its reverse (34454031), we get a palindrome (47499474).

The spelling of 13045443 in words is "thirteen million, forty-five thousand, four hundred forty-three".

Divisors: 1 3 17 51 229 687 1117 3351 3893 11679 18989 56967 255793 767379 4348481 13045443