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180385223 is a prime number
BaseRepresentation
bin10101100000001…
…11010111000111
3110120102112000012
422300013113013
5332134311343
625522140435
74320151304
oct1260072707
9416375005
10180385223
11929060a7
12504b171b
132b4aa325
1419d580ab
1510c82718
hexac075c7

180385223 has 2 divisors, whose sum is σ = 180385224. Its totient is φ = 180385222.

The previous prime is 180385171. The next prime is 180385229. The reversal of 180385223 is 322583081.

180385223 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 is a cyclic number.

It is not a de Polignac number, because 180385223 - 222 = 176190919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180385223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180385229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90192611 + 90192612.

It is an arithmetic number, because the mean of its divisors is an integer number (90192612).

Almost surely, 2180385223 is an apocalyptic number.

180385223 is a deficient number, since it is larger than the sum of its proper divisors (1).

180385223 is an equidigital number, since it uses as much as digits as its factorization.

180385223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 180385223 is about 13430.7566056421. The cubic root of 180385223 is about 565.0241177999.

The spelling of 180385223 in words is "one hundred eighty million, three hundred eighty-five thousand, two hundred twenty-three".