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1049144 = 23131143
BaseRepresentation
bin100000000001000111000
31222022011012
410000020320
5232033034
634253052
711626505
oct4001070
91868135
101049144
11657268
12427188
132a96c5
141d44ac
1515acce
hex100238

1049144 has 8 divisors (see below), whose sum is σ = 1967160. Its totient is φ = 524568.

The previous prime is 1049143. The next prime is 1049171. The reversal of 1049144 is 4419401.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10491442 = 2201406265472, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65564 + ... + 65579.

It is an arithmetic number, because the mean of its divisors is an integer number (245895).

21049144 is an apocalyptic number.

It is an amenable number.

1049144 is a deficient number, since it is larger than the sum of its proper divisors (918016).

1049144 is a wasteful number, since it uses less digits than its factorization.

1049144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131149 (or 131145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1049144 is about 1024.2773062018. The cubic root of 1049144 is about 101.6120080047.

The spelling of 1049144 in words is "one million, forty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 131143 262286 524572 1049144