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898213 is a prime number
BaseRepresentation
bin11011011010010100101
31200122010011
43123102211
5212220323
631130221
710430461
oct3332245
91618104
10898213
11563928
12373971
13255ab4
141954a1
1512b20d
hexdb4a5

898213 has 2 divisors, whose sum is σ = 898214. Its totient is φ = 898212.

The previous prime is 898211. The next prime is 898223. The reversal of 898213 is 312898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 91809 = 898^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 898213 - 21 = 898211 is a prime.

Together with 898211, it forms a pair of twin primes.

898213 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449106 + 449107.

It is an arithmetic number, because the mean of its divisors is an integer number (449107).

2898213 is an apocalyptic number.

It is an amenable number.

898213 is a deficient number, since it is larger than the sum of its proper divisors (1).

898213 is an equidigital number, since it uses as much as digits as its factorization.

898213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 898213 is about 947.7409983746. The cubic root of 898213 is about 96.4849950271.

It can be divided in two parts, 898 and 213, that added together give a palindrome (1111).

The spelling of 898213 in words is "eight hundred ninety-eight thousand, two hundred thirteen".