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13241643 = 315129231
BaseRepresentation
bin110010100000…
…110100101011
3220220202010020
4302200310223
511342213033
61151451523
7220360242
oct62406453
926822106
1013241643
117524708
124526ba3
1329881bc
141a89959
1512686b3
hexca0d2b

13241643 has 8 divisors (see below), whose sum is σ = 17773056. Its totient is φ = 8769000.

The previous prime is 13241609. The next prime is 13241653. The reversal of 13241643 is 34614231.

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

It is not a de Polignac number, because 13241643 - 28 = 13241387 is a prime.

It is a super-2 number, since 2×132416432 = 350682218678898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13241653) 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, 14163 + ... + 15068.

It is an arithmetic number, because the mean of its divisors is an integer number (2221632).

Almost surely, 213241643 is an apocalyptic number.

13241643 is a deficient number, since it is larger than the sum of its proper divisors (4531413).

13241643 is a wasteful number, since it uses less digits than its factorization.

13241643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29385.

The product of its digits is 1728, while the sum is 24.

The square root of 13241643 is about 3638.9068413467. The cubic root of 13241643 is about 236.5814149953.

Adding to 13241643 its reverse (34614231), we get a palindrome (47855874).

The spelling of 13241643 in words is "thirteen million, two hundred forty-one thousand, six hundred forty-three".

Divisors: 1 3 151 453 29231 87693 4413881 13241643