Search a number
-
+
6979901 is a prime number
BaseRepresentation
bin11010101000000100111101
3111010121121212
4122220010331
53241324101
6405334205
7113220365
oct32500475
914117555
106979901
113a38115
122407365
1315a5026
14cd99a5
1592d1bb
hex6a813d

6979901 has 2 divisors, whose sum is σ = 6979902. Its totient is φ = 6979900.

The previous prime is 6979891. The next prime is 6979913. The reversal of 6979901 is 1099796.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 63001 = 2630^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 6979901 - 210 = 6978877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6979961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489950 + 3489951.

It is an arithmetic number, because the mean of its divisors is an integer number (3489951).

Almost surely, 26979901 is an apocalyptic number.

It is an amenable number.

6979901 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979901 is an equidigital number, since it uses as much as digits as its factorization.

6979901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 6979901 is about 2641.9502266318. The cubic root of 6979901 is about 191.1098570341.

The spelling of 6979901 in words is "six million, nine hundred seventy-nine thousand, nine hundred one".