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830099838 = 23138349973
BaseRepresentation
bin110001011110100…
…101000101111110
32010211222102220110
4301132211011332
53200001143323
6214211530450
726366506101
oct6136450576
92124872813
10830099838
1139662a327
121b1bb9a26
13102c91449
147c362738
154cd20793
hex317a517e

830099838 has 8 divisors (see below), whose sum is σ = 1660199688. Its totient is φ = 276699944.

The previous prime is 830099807. The next prime is 830099867. The reversal of 830099838 is 838990038.

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

830099838 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69174981 + ... + 69174992.

It is an arithmetic number, because the mean of its divisors is an integer number (207524961).

Almost surely, 2830099838 is an apocalyptic number.

830099838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830099838 is a wasteful number, since it uses less digits than its factorization.

830099838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138349978.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 830099838 is about 28811.4532434586. The cubic root of 830099838 is about 939.8173169964.

The spelling of 830099838 in words is "eight hundred thirty million, ninety-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 138349973 276699946 415049919 830099838