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2002092820 = 2257131100051
BaseRepresentation
bin111011101010101…
…1000001100010100
312011112021212000221
41313111120030110
513100013432240
6530355444124
7100420336210
oct16725301424
95145255027
102002092820
11938146a72
1247a5b6644
1325ba2ab10
1414dc81940
15bab77a4a
hex77558314

2002092820 has 48 divisors (see below), whose sum is σ = 5174644608. Its totient is φ = 633628800.

The previous prime is 2002092797. The next prime is 2002092821. The reversal of 2002092820 is 282902002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002092821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548206 + ... + 551845.

It is an arithmetic number, because the mean of its divisors is an integer number (107805096).

Almost surely, 22002092820 is an apocalyptic number.

2002092820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002092820 is an abundant number, since it is smaller than the sum of its proper divisors (3172551788).

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

2002092820 is a wasteful number, since it uses less digits than its factorization.

2002092820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100080 (or 1100078 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2002092820 is about 44744.7518710295. The cubic root of 2002092820 is about 1260.3603613591.

Adding to 2002092820 its reverse (282902002), we get a palindrome (2284994822).

The spelling of 2002092820 in words is "two billion, two million, ninety-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 1100051 2200102 4400204 5500255 7700357 11000510 14300663 15400714 22001020 28601326 30801428 38501785 57202652 71503315 77003570 100104641 143006630 154007140 200209282 286013260 400418564 500523205 1001046410 2002092820