Search a number
-
+
1542401027 is a prime number
BaseRepresentation
bin101101111101111…
…0010110000000011
310222111022002102222
41123323302300003
511124323313102
6413015001255
753136122666
oct13373626003
93874262388
101542401027
117217107a2
1237066922b
131b771993b
14108bbd6dd
1590622aa2
hex5bef2c03

1542401027 has 2 divisors, whose sum is σ = 1542401028. Its totient is φ = 1542401026.

The previous prime is 1542401011. The next prime is 1542401033. The reversal of 1542401027 is 7201042451.

It is a strong prime.

It is an emirp because it is prime and its reverse (7201042451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1542401027 - 24 = 1542401011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542400987 and 1542401005.

It is not a weakly prime, because it can be changed into another prime (1542401227) 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, 771200513 + 771200514.

It is an arithmetic number, because the mean of its divisors is an integer number (771200514).

Almost surely, 21542401027 is an apocalyptic number.

1542401027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542401027 is an equidigital number, since it uses as much as digits as its factorization.

1542401027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1542401027 is about 39273.4137426326. The cubic root of 1542401027 is about 1155.4001916517.

Adding to 1542401027 its reverse (7201042451), we get a palindrome (8743443478).

The spelling of 1542401027 in words is "one billion, five hundred forty-two million, four hundred one thousand, twenty-seven".