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13442122 = 26721061
BaseRepresentation
bin110011010001…
…110001001010
3221021221010101
4303101301022
511420121442
61200040014
7222153601
oct63216112
927257111
1013442122
1176512a1
12460300a
132a28525
141adca38
1512a7cb7
hexcd1c4a

13442122 has 4 divisors (see below), whose sum is σ = 20163186. Its totient is φ = 6721060.

The previous prime is 13442119. The next prime is 13442129. The reversal of 13442122 is 22124431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 4206601 = 3039^2 + 2051^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13442122.

It is not an unprimeable number, because it can be changed into a prime (13442129) 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 as a sum of consecutive naturals, namely, 3360529 + ... + 3360532.

Almost surely, 213442122 is an apocalyptic number.

13442122 is a deficient number, since it is larger than the sum of its proper divisors (6721064).

13442122 is an equidigital number, since it uses as much as digits as its factorization.

13442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721063.

The product of its digits is 384, while the sum is 19.

The square root of 13442122 is about 3666.3499560189. The cubic root of 13442122 is about 237.7693903512.

Adding to 13442122 its reverse (22124431), we get a palindrome (35566553).

The spelling of 13442122 in words is "thirteen million, four hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 6721061 13442122