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834698420 = 22541734921
BaseRepresentation
bin110001110000000…
…111110010110100
32011011122001222022
4301300013302310
53202140322140
6214454252312
726453551043
oct6160076264
92134561868
10834698420
11399190306
121b3657098
13103c115ba
147cbdc55a
154d42d0b5
hex31c07cb4

834698420 has 12 divisors (see below), whose sum is σ = 1752866724. Its totient is φ = 333879360.

The previous prime is 834698401. The next prime is 834698461. The reversal of 834698420 is 24896438.

It can be written as a sum of positive squares in 2 ways, for example, as 485232784 + 349465636 = 22028^2 + 18694^2 .

It is a congruent 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, 20867441 + ... + 20867480.

It is an arithmetic number, because the mean of its divisors is an integer number (146072227).

Almost surely, 2834698420 is an apocalyptic number.

It is an amenable number.

834698420 is an abundant number, since it is smaller than the sum of its proper divisors (918168304).

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

834698420 is a wasteful number, since it uses less digits than its factorization.

834698420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41734930 (or 41734928 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 834698420 is about 28891.1477792074. The cubic root of 834698420 is about 941.5495868569.

The spelling of 834698420 in words is "eight hundred thirty-four million, six hundred ninety-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41734921 83469842 166939684 208674605 417349210 834698420