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11144442 = 231857407
BaseRepresentation
bin101010100000…
…110011111010
3202222012022010
4222200303322
510323110232
61034510350
7163504041
oct52406372
922865263
1011144442
116321a91
1238953b6
13240275a
1416a1558
15ea20cc
hexaa0cfa

11144442 has 8 divisors (see below), whose sum is σ = 22288896. Its totient is φ = 3714812.

The previous prime is 11144429. The next prime is 11144447. The reversal of 11144442 is 24444111.

11144442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11144442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11144447) 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, 928698 + ... + 928709.

It is an arithmetic number, because the mean of its divisors is an integer number (2786112).

Almost surely, 211144442 is an apocalyptic number.

11144442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11144442 is a wasteful number, since it uses less digits than its factorization.

11144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857412.

The product of its digits is 512, while the sum is 21.

The square root of 11144442 is about 3338.3292228299. The cubic root of 11144442 is about 223.3672219063.

Adding to 11144442 its reverse (24444111), we get a palindrome (35588553).

It can be divided in two parts, 11 and 144442, that added together give a triangular number (144453 = T537).

The spelling of 11144442 in words is "eleven million, one hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 1857407 3714814 5572221 11144442