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830839213 = 8358717053
BaseRepresentation
bin110001100001011…
…001100110101101
32010220101000010201
4301201121212231
53200143323323
6214235433501
726406005521
oct6141314655
92126330121
10830839213
11396a94886
121b22b5891
1310318cb49
147c4b5d81
154ce198ad
hex318599ad

830839213 has 8 divisors (see below), whose sum is σ = 842331168. Its totient is φ = 819382704.

The previous prime is 830839159. The next prime is 830839291. The reversal of 830839213 is 312938038.

830839213 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-830839213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830839013) 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, 40195 + ... + 57247.

It is an arithmetic number, because the mean of its divisors is an integer number (105291396).

Almost surely, 2830839213 is an apocalyptic number.

830839213 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

830839213 is a deficient number, since it is larger than the sum of its proper divisors (11491955).

830839213 is a wasteful number, since it uses less digits than its factorization.

830839213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17723.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 830839213 is about 28824.2816562703. The cubic root of 830839213 is about 940.0962678681.

The spelling of 830839213 in words is "eight hundred thirty million, eight hundred thirty-nine thousand, two hundred thirteen".

Divisors: 1 83 587 17053 48721 1415399 10010111 830839213