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830957 is a prime number
BaseRepresentation
bin11001010110111101101
31120012212012
43022313231
5203042312
625451005
710030421
oct3126755
91505765
10830957
11518346
12340a65
132312ba
14178b81
15116322
hexcaded

830957 has 2 divisors, whose sum is σ = 830958. Its totient is φ = 830956.

The previous prime is 830939. The next prime is 830981. The reversal of 830957 is 759038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763876 + 67081 = 874^2 + 259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-830957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415478 + 415479.

It is an arithmetic number, because the mean of its divisors is an integer number (415479).

2830957 is an apocalyptic number.

It is an amenable number.

830957 is a deficient number, since it is larger than the sum of its proper divisors (1).

830957 is an equidigital number, since it uses as much as digits as its factorization.

830957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 830957 is about 911.5684285889. The cubic root of 830957 is about 94.0140691179.

The spelling of 830957 in words is "eight hundred thirty thousand, nine hundred fifty-seven".