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1381059041 = 7318918617
BaseRepresentation
bin101001001010001…
…0100100111100001
310120020201001211212
41102110110213201
510312022342131
6345012515505
746136544125
oct12224244741
93506631755
101381059041
1164963210a
1232661bb95
131901793cb
14d15c1585
15813a2a2b
hex525149e1

1381059041 has 4 divisors (see below), whose sum is σ = 1399977732. Its totient is φ = 1362140352.

The previous prime is 1381059037. The next prime is 1381059049. The reversal of 1381059041 is 1409501831.

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 725494225 + 655564816 = 26935^2 + 25604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1381059041 - 22 = 1381059037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1381058989 and 1381059007.

It is not an unprimeable number, because it can be changed into a prime (1381059049) 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 3 ways as a sum of consecutive naturals, for example, 9459236 + ... + 9459381.

It is an arithmetic number, because the mean of its divisors is an integer number (349994433).

Almost surely, 21381059041 is an apocalyptic number.

It is an amenable number.

1381059041 is a deficient number, since it is larger than the sum of its proper divisors (18918691).

1381059041 is an equidigital number, since it uses as much as digits as its factorization.

1381059041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918690.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1381059041 is about 37162.6027210151. The cubic root of 1381059041 is about 1113.6210079179.

The spelling of 1381059041 in words is "one billion, three hundred eighty-one million, fifty-nine thousand, forty-one".

Divisors: 1 73 18918617 1381059041