Search a number
684373 is a prime number
BaseRepresentation
bin10100111000101010101
31021202210011
42213011111
5133344443
622400221
75550154
oct2470525
91252704
10684373
114281a8
12290071
131ac671
1413b59b
15d7b9d
hexa7155

684373 has 2 divisors, whose sum is σ = 684374. Its totient is φ = 684372.

The previous prime is 684349. The next prime is 684379. The reversal of 684373 is 373486.

684373 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., 651249 + 33124 = 807^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 684373 - 29 = 683861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (684379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342186 + 342187.

It is an arithmetic number, because the mean of its divisors is an integer number (342187).

2684373 is an apocalyptic number.

It is an amenable number.

684373 is a deficient number, since it is larger than the sum of its proper divisors (1).

684373 is an equidigital number, since it uses as much as digits as its factorization.

684373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 684373 is about 827.2683965921. The cubic root of 684373 is about 88.1246940955.

The spelling of 684373 in words is "six hundred eighty-four thousand, three hundred seventy-three".