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1143041 = 3730893
BaseRepresentation
bin100010111000100000001
32011001221212
410113010001
5243034131
640255505
712500324
oct4270401
92131855
101143041
11710869
12471595
13310373
1421a7bb
15178a2b
hex117101

1143041 has 4 divisors (see below), whose sum is σ = 1173972. Its totient is φ = 1112112.

The previous prime is 1143019. The next prime is 1143047. The reversal of 1143041 is 1403411.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 384400 = 871^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143041 - 210 = 1142017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1143047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15410 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (293493).

21143041 is an apocalyptic number.

It is an amenable number.

1143041 is a deficient number, since it is larger than the sum of its proper divisors (30931).

1143041 is an equidigital number, since it uses as much as digits as its factorization.

1143041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30930.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1143041 is about 1069.1309554961. The cubic root of 1143041 is about 104.5571979934.

Adding to 1143041 its reverse (1403411), we get a palindrome (2546452).

The spelling of 1143041 in words is "one million, one hundred forty-three thousand, forty-one".

Divisors: 1 37 30893 1143041