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BaseRepresentation
bin11001010110110111010
31120012210022
43022312322
5203042111
625450442
710030316
oct3126672
91505708
10830906
115182aa
12340a22
1323127b
14178b46
151162db

830906 has 8 divisors (see below), whose sum is σ = 1276884. Its totient is φ = 405280.

The previous prime is 830899. The next prime is 830911. The reversal of 830906 is 609038.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 11881 = 905^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4985 + ... + 5148.

2830906 is an apocalyptic number.

830906 is a deficient number, since it is larger than the sum of its proper divisors (445978).

830906 is a wasteful number, since it uses less digits than its factorization.

830906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 830906 is about 911.5404543957. The cubic root of 830906 is about 94.0121457069.

The spelling of 830906 in words is "eight hundred thirty thousand, nine hundred six".

Divisors: 1 2 41 82 10133 20266 415453 830906