Search a number
-
+
76542001 is a prime number
BaseRepresentation
bin1001000111111…
…11000000110001
312100000201212221
410203333000301
5124043321001
611332321041
71616411344
oct443770061
9170021787
1076542001
113a22a158
1221773181
1312b1c433
14a24645b
156abe1a1
hex48ff031

76542001 has 2 divisors, whose sum is σ = 76542002. Its totient is φ = 76542000.

The previous prime is 76541987. The next prime is 76542023. The reversal of 76542001 is 10024567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62094400 + 14447601 = 7880^2 + 3801^2 .

It is a cyclic number.

It is not a de Polignac number, because 76542001 - 225 = 42987569 is a prime.

It is not a weakly prime, because it can be changed into another prime (76542061) 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 as a sum of consecutive naturals, namely, 38271000 + 38271001.

It is an arithmetic number, because the mean of its divisors is an integer number (38271001).

Almost surely, 276542001 is an apocalyptic number.

It is an amenable number.

76542001 is a deficient number, since it is larger than the sum of its proper divisors (1).

76542001 is an equidigital number, since it uses as much as digits as its factorization.

76542001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 76542001 is about 8748.8285501546. The cubic root of 76542001 is about 424.5869130398.

Adding to 76542001 its reverse (10024567), we get a palindrome (86566568).

The spelling of 76542001 in words is "seventy-six million, five hundred forty-two thousand, one".