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830220349 = 7269440903
BaseRepresentation
bin110001011111000…
…010100000111101
32010212012120012211
4301133002200331
53200014022344
6214214300421
726400520330
oct6137024075
92125176184
10830220349
11396701922
121b2057711
1310300425a
147c394617
154cd46334
hex317c283d

830220349 has 8 divisors (see below), whose sum is σ = 952352640. Its totient is φ = 708970416.

The previous prime is 830220341. The next prime is 830220367. The reversal of 830220349 is 943022038.

830220349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 830220349 - 23 = 830220341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830220349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830220341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218569 + ... + 222334.

It is an arithmetic number, because the mean of its divisors is an integer number (119044080).

Almost surely, 2830220349 is an apocalyptic number.

It is an amenable number.

830220349 is a deficient number, since it is larger than the sum of its proper divisors (122132291).

830220349 is a wasteful number, since it uses less digits than its factorization.

830220349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441179.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 830220349 is about 28813.5445407190. The cubic root of 830220349 is about 939.8627945960.

The spelling of 830220349 in words is "eight hundred thirty million, two hundred twenty thousand, three hundred forty-nine".

Divisors: 1 7 269 1883 440903 3086321 118602907 830220349