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1143404041 = 13541162577
BaseRepresentation
bin100010000100110…
…1111011000001001
32221200111221110211
41010021233120021
54320202412131
6305243041121
740222526323
oct10411573011
92850457424
101143404041
1153747041a
1227ab101a1
13152b69a50
14abbda613
156a5ab5b1
hex4426f609

1143404041 has 8 divisors (see below), whose sum is σ = 1233641864. Its totient is φ = 1053492480.

The previous prime is 1143404029. The next prime is 1143404047. The reversal of 1143404041 is 1404043411.

It can be written as a sum of positive squares in 4 ways, for example, as 14175225 + 1129228816 = 3765^2 + 33604^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1143404041 - 29 = 1143403529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143404047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74256 + ... + 88321.

It is an arithmetic number, because the mean of its divisors is an integer number (154205233).

Almost surely, 21143404041 is an apocalyptic number.

It is an amenable number.

1143404041 is a deficient number, since it is larger than the sum of its proper divisors (90237823).

1143404041 is a wasteful number, since it uses less digits than its factorization.

1143404041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163131.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1143404041 is about 33814.2579543009. The cubic root of 1143404041 is about 1045.6826628457.

Adding to 1143404041 its reverse (1404043411), we get a palindrome (2547447452).

The spelling of 1143404041 in words is "one billion, one hundred forty-three million, four hundred four thousand, forty-one".

Divisors: 1 13 541 7033 162577 2113501 87954157 1143404041