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13132443 = 325717033
BaseRepresentation
bin110010000110…
…001010011011
3220201012022210
4302012022123
511330214233
61145250203
7216424002
oct62061233
926635283
1013132443
11745a665
124493963
13294a59c
141a5bc39
151246163
hexc8629b

13132443 has 8 divisors (see below), whose sum is σ = 17579088. Its totient is φ = 8720384.

The previous prime is 13132417. The next prime is 13132487. The reversal of 13132443 is 34423131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13132443 - 212 = 13128347 is a prime.

It is a super-2 number, since 2×131324432 = 344922118296498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13132403) 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 in 7 ways as a sum of consecutive naturals, for example, 7746 + ... + 9287.

It is an arithmetic number, because the mean of its divisors is an integer number (2197386).

Almost surely, 213132443 is an apocalyptic number.

13132443 is a deficient number, since it is larger than the sum of its proper divisors (4446645).

13132443 is a wasteful number, since it uses less digits than its factorization.

13132443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17293.

The product of its digits is 864, while the sum is 21.

The square root of 13132443 is about 3623.8712725482. The cubic root of 13132443 is about 235.9292795376.

Adding to 13132443 its reverse (34423131), we get a palindrome (47555574).

The spelling of 13132443 in words is "thirteen million, one hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 3 257 771 17033 51099 4377481 13132443