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730889 is a prime number
BaseRepresentation
bin10110010011100001001
31101010120222
42302130021
5141342024
623355425
76132605
oct2623411
91333528
10730889
1145a145
122b2b75
131c78a3
14150505
15e685e
hexb2709

730889 has 2 divisors, whose sum is σ = 730890. Its totient is φ = 730888.

The previous prime is 730879. The next prime is 730901. The reversal of 730889 is 988037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537289 + 193600 = 733^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 730889 - 28 = 730633 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (730819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365444 + 365445.

It is an arithmetic number, because the mean of its divisors is an integer number (365445).

2730889 is an apocalyptic number.

It is an amenable number.

730889 is a deficient number, since it is larger than the sum of its proper divisors (1).

730889 is an equidigital number, since it uses as much as digits as its factorization.

730889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 730889 is about 854.9204641369. The cubic root of 730889 is about 90.0776695778.

The spelling of 730889 in words is "seven hundred thirty thousand, eight hundred eighty-nine".