Search a number
-
+
13442244 = 2231120187
BaseRepresentation
bin110011010001…
…110011000100
3221021221021220
4303101303010
511420122434
61200040340
7222154134
oct63216304
927257256
1013442244
1176513a2
1246030b0
132a285ba
141adcac4
1512a7d49
hexcd1cc4

13442244 has 12 divisors (see below), whose sum is σ = 31365264. Its totient is φ = 4480744.

The previous prime is 13442243. The next prime is 13442249. The reversal of 13442244 is 44224431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13442243) 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 3 ways as a sum of consecutive naturals, for example, 560082 + ... + 560105.

It is an arithmetic number, because the mean of its divisors is an integer number (2613772).

Almost surely, 213442244 is an apocalyptic number.

It is an amenable number.

13442244 is an abundant number, since it is smaller than the sum of its proper divisors (17923020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13442244 is a wasteful number, since it uses less digits than its factorization.

13442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120194 (or 1120192 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 13442244 is about 3666.3665937819. The cubic root of 13442244 is about 237.7701096766.

Adding to 13442244 its reverse (44224431), we get a palindrome (57666675).

The spelling of 13442244 in words is "thirteen million, four hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1120187 2240374 3360561 4480748 6721122 13442244