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840096020 = 225192210779
BaseRepresentation
bin110010000100101…
…101100100010100
32011112210022002102
4302010231210110
53210031033040
6215210101232
726550461351
oct6204554424
92145708072
10840096020
113a1237635
121b541a818
1310508134a
147d805628
154db47515
hex3212d914

840096020 has 24 divisors (see below), whose sum is σ = 1857055200. Its totient is φ = 318352032.

The previous prime is 840096007. The next prime is 840096029. The reversal of 840096020 is 20690048.

It is a super-2 number, since 2×8400960202 = 1411522645639680800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840096029) 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, 1105010 + ... + 1105769.

It is an arithmetic number, because the mean of its divisors is an integer number (77377300).

Almost surely, 2840096020 is an apocalyptic number.

It is an amenable number.

840096020 is an abundant number, since it is smaller than the sum of its proper divisors (1016959180).

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

840096020 is a wasteful number, since it uses less digits than its factorization.

840096020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210807 (or 2210805 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 840096020 is about 28984.4099474183. The cubic root of 840096020 is about 943.5747465170.

The spelling of 840096020 in words is "eight hundred forty million, ninety-six thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2210779 4421558 8843116 11053895 22107790 42004801 44215580 84009602 168019204 210024005 420048010 840096020