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94474813 is a prime number
BaseRepresentation
bin1011010000110…
…01001000111101
320120202211002011
411220121020331
5143141143223
613212531221
72225010526
oct550311075
9216684064
1094474813
1149368364
1227780b11
131675a974
14c79384d
15846280d
hex5a1923d

94474813 has 2 divisors, whose sum is σ = 94474814. Its totient is φ = 94474812.

The previous prime is 94474771. The next prime is 94474817. The reversal of 94474813 is 31847449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87647044 + 6827769 = 9362^2 + 2613^2 .

It is an emirp because it is prime and its reverse (31847449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94474813 - 213 = 94466621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94474817) 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, 47237406 + 47237407.

It is an arithmetic number, because the mean of its divisors is an integer number (47237407).

Almost surely, 294474813 is an apocalyptic number.

It is an amenable number.

94474813 is a deficient number, since it is larger than the sum of its proper divisors (1).

94474813 is an equidigital number, since it uses as much as digits as its factorization.

94474813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 94474813 is about 9719.8154817877. The cubic root of 94474813 is about 455.4478752192.

It can be divided in two parts, 944 and 74813, that added together give a palindrome (75757).

The spelling of 94474813 in words is "ninety-four million, four hundred seventy-four thousand, eight hundred thirteen".