Search a number
-
+
1572005041 is a prime number
BaseRepresentation
bin101110110110010…
…1110010010110001
311001120000010111221
41131230232102301
511204413130131
6415553305041
753645552035
oct13554562261
94046003457
101572005041
117373a0722
1237a565181
131c08b35c9
1410cac81c5
159301e411
hex5db2e4b1

1572005041 has 2 divisors, whose sum is σ = 1572005042. Its totient is φ = 1572005040.

The previous prime is 1572004999. The next prime is 1572005087. The reversal of 1572005041 is 1405002751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287374400 + 284630641 = 35880^2 + 16871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572005041 - 27 = 1572004913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1572004997 and 1572005015.

It is not a weakly prime, because it can be changed into another prime (1572005341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786002520 + 786002521.

It is an arithmetic number, because the mean of its divisors is an integer number (786002521).

Almost surely, 21572005041 is an apocalyptic number.

It is an amenable number.

1572005041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572005041 is an equidigital number, since it uses as much as digits as its factorization.

1572005041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1572005041 is about 39648.5187743502. The cubic root of 1572005041 is about 1162.7454394626.

Adding to 1572005041 its reverse (1405002751), we get a palindrome (2977007792).

The spelling of 1572005041 in words is "one billion, five hundred seventy-two million, five thousand, forty-one".