Search a number
-
+
94866809 is a prime number
BaseRepresentation
bin1011010011110…
…00110101111001
320121111201210112
411221320311321
5143241214214
613225154105
72231232422
oct551706571
9217451715
1094866809
1149605924
122792b935
131686720b
14c856649
1584dda3e
hex5a78d79

94866809 has 2 divisors, whose sum is σ = 94866810. Its totient is φ = 94866808.

The previous prime is 94866803. The next prime is 94866833. The reversal of 94866809 is 90866849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77933584 + 16933225 = 8828^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 94866809 - 220 = 93818233 is a prime.

It is a super-2 number, since 2×948668092 = 17999422899684962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94866803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47433404 + 47433405.

It is an arithmetic number, because the mean of its divisors is an integer number (47433405).

Almost surely, 294866809 is an apocalyptic number.

It is an amenable number.

94866809 is a deficient number, since it is larger than the sum of its proper divisors (1).

94866809 is an equidigital number, since it uses as much as digits as its factorization.

94866809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 94866809 is about 9739.9593941659. The cubic root of 94866809 is about 456.0769225547.

The spelling of 94866809 in words is "ninety-four million, eight hundred sixty-six thousand, eight hundred nine".