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13242113 = 13995267
BaseRepresentation
bin110010100000…
…111100000001
3220220202202122
4302200330001
511342221423
61151454025
7220361513
oct62407401
926822678
1013242113
117524aa5
124527315
132988491
141a89bb3
1512688c8
hexca0f01

13242113 has 4 divisors (see below), whose sum is σ = 13337520. Its totient is φ = 13146708.

The previous prime is 13242101. The next prime is 13242121. The reversal of 13242113 is 31124231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13242113 - 26 = 13242049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13242091 and 13242100.

It is not an unprimeable number, because it can be changed into a prime (13242013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47495 + ... + 47772.

It is an arithmetic number, because the mean of its divisors is an integer number (3334380).

Almost surely, 213242113 is an apocalyptic number.

It is an amenable number.

13242113 is a deficient number, since it is larger than the sum of its proper divisors (95407).

13242113 is an equidigital number, since it uses as much as digits as its factorization.

13242113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95406.

The product of its digits is 144, while the sum is 17.

The square root of 13242113 is about 3638.9714206078. The cubic root of 13242113 is about 236.5842140424.

Adding to 13242113 its reverse (31124231), we get a palindrome (44366344).

The spelling of 13242113 in words is "thirteen million, two hundred forty-two thousand, one hundred thirteen".

Divisors: 1 139 95267 13242113