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184090813 is a prime number
BaseRepresentation
bin10101111100100…
…00000010111101
3110211101210010021
422332100002331
5334111401223
630133412141
74363513624
oct1276200275
9424353107
10184090813
1194a07175
125179a051
132c1a6b9a
141a6406bb
151126565d
hexaf900bd

184090813 has 2 divisors, whose sum is σ = 184090814. Its totient is φ = 184090812.

The previous prime is 184090801. The next prime is 184090817. The reversal of 184090813 is 318090481.

It is a happy number.

184090813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174187204 + 9903609 = 13198^2 + 3147^2 .

It is a cyclic number.

It is not a de Polignac number, because 184090813 - 29 = 184090301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184090817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92045406 + 92045407.

It is an arithmetic number, because the mean of its divisors is an integer number (92045407).

Almost surely, 2184090813 is an apocalyptic number.

It is an amenable number.

184090813 is a deficient number, since it is larger than the sum of its proper divisors (1).

184090813 is an equidigital number, since it uses as much as digits as its factorization.

184090813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 184090813 is about 13568.0069649157. The cubic root of 184090813 is about 568.8669530774.

The spelling of 184090813 in words is "one hundred eighty-four million, ninety thousand, eight hundred thirteen".