Search a number
-
+
223808317 is a prime number
BaseRepresentation
bin11010101011100…
…00101100111101
3120121010122021221
431111300230331
5424243331232
634112553341
75355224245
oct1525605475
9517118257
10223808317
11105374557
1262b52851
13374a1c75
1421a1cb25
15149ad897
hexd570b3d

223808317 has 2 divisors, whose sum is σ = 223808318. Its totient is φ = 223808316.

The previous prime is 223808311. The next prime is 223808323. The reversal of 223808317 is 713808322.

It is a balanced prime because it is at equal distance from previous prime (223808311) and next prime (223808323).

It can be written as a sum of positive squares in only one way, i.e., 157402116 + 66406201 = 12546^2 + 8149^2 .

It is a cyclic number.

It is not a de Polignac number, because 223808317 - 211 = 223806269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223808311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111904158 + 111904159.

It is an arithmetic number, because the mean of its divisors is an integer number (111904159).

Almost surely, 2223808317 is an apocalyptic number.

It is an amenable number.

223808317 is a deficient number, since it is larger than the sum of its proper divisors (1).

223808317 is an equidigital number, since it uses as much as digits as its factorization.

223808317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 223808317 is about 14960.2244969786. The cubic root of 223808317 is about 607.1445120561.

The spelling of 223808317 in words is "two hundred twenty-three million, eight hundred eight thousand, three hundred seventeen".