Search a number
-
+
94099081 is a prime number
BaseRepresentation
bin1011001101111…
…01011010001001
320120001201200011
411212331122021
5143042132311
613200511521
72221554226
oct546753211
9216051604
1094099081
114913103a
122761b5a1
131665893b
14c6d694d
1583db321
hex59bd689

94099081 has 2 divisors, whose sum is σ = 94099082. Its totient is φ = 94099080.

The previous prime is 94099079. The next prime is 94099111. The reversal of 94099081 is 18099049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93779856 + 319225 = 9684^2 + 565^2 .

It is an emirp because it is prime and its reverse (18099049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94099081 - 21 = 94099079 is a prime.

It is a super-2 number, since 2×940990812 = 17709274090089122, which contains 22 as substring.

Together with 94099079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (94099051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47049540 + 47049541.

It is an arithmetic number, because the mean of its divisors is an integer number (47049541).

Almost surely, 294099081 is an apocalyptic number.

It is an amenable number.

94099081 is a deficient number, since it is larger than the sum of its proper divisors (1).

94099081 is an equidigital number, since it uses as much as digits as its factorization.

94099081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 94099081 is about 9700.4680814897. The cubic root of 94099081 is about 454.8432918455.

The spelling of 94099081 in words is "ninety-four million, ninety-nine thousand, eighty-one".