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2207026820 = 225110351341
BaseRepresentation
bin1000001110001100…
…1000111010000100
312200210220120122002
42003203020322010
514004444324240
61003000124432
7105456263345
oct20343107204
95623816562
102207026820
11a32899a09
12517166718
13292321b3b
1416d18a0cc
15cdb58d15
hex838c8e84

2207026820 has 12 divisors (see below), whose sum is σ = 4634756364. Its totient is φ = 882810720.

The previous prime is 2207026777. The next prime is 2207026837. The reversal of 2207026820 is 286207022.

It can be written as a sum of positive squares in 2 ways, for example, as 1096404544 + 1110622276 = 33112^2 + 33326^2 .

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, 55175651 + ... + 55175690.

It is an arithmetic number, because the mean of its divisors is an integer number (386229697).

Almost surely, 22207026820 is an apocalyptic number.

2207026820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2207026820 is an abundant number, since it is smaller than the sum of its proper divisors (2427729544).

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

2207026820 is a wasteful number, since it uses less digits than its factorization.

2207026820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110351350 (or 110351348 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2207026820 is about 46979.0040337170. The cubic root of 2207026820 is about 1301.9746755150.

The spelling of 2207026820 in words is "two billion, two hundred seven million, twenty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 110351341 220702682 441405364 551756705 1103513410 2207026820