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898813 is a prime number
BaseRepresentation
bin11011011011011111101
31200122221101
43123123331
5212230223
631133101
710432306
oct3333375
91618841
10898813
11564323
12374191
13256156
141957ad
1512b4ad
hexdb6fd

898813 has 2 divisors, whose sum is σ = 898814. Its totient is φ = 898812.

The previous prime is 898787. The next prime is 898819. The reversal of 898813 is 318898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887364 + 11449 = 942^2 + 107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-898813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449406 + 449407.

It is an arithmetic number, because the mean of its divisors is an integer number (449407).

2898813 is an apocalyptic number.

It is an amenable number.

898813 is a deficient number, since it is larger than the sum of its proper divisors (1).

898813 is an equidigital number, since it uses as much as digits as its factorization.

898813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 898813 is about 948.0574877084. The cubic root of 898813 is about 96.5064740124.

It can be divided in two parts, 898 and 813, that added together give a triangular number (1711 = T58).

The spelling of 898813 in words is "eight hundred ninety-eight thousand, eight hundred thirteen".