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2084820380 = 225761136979
BaseRepresentation
bin111110001000011…
…1101010110011100
312101021221211220122
41330100331112130
513232203223010
6542512534112
7102443452346
oct17420752634
95337854818
102084820380
1197a910455
124a2251338
13272c04836
1415ac58296
15c3069855
hex7c43d59c

2084820380 has 24 divisors (see below), whose sum is σ = 4383907920. Its totient is φ = 832826240.

The previous prime is 2084820377. The next prime is 2084820383. The reversal of 2084820380 is 830284802.

It is an interprime number because it is at equal distance from previous prime (2084820377) and next prime (2084820383).

It is a self number, because there is not a number n which added to its sum of digits gives 2084820380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084820383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53270 + ... + 83709.

It is an arithmetic number, because the mean of its divisors is an integer number (182662830).

Almost surely, 22084820380 is an apocalyptic number.

2084820380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2084820380 is an abundant number, since it is smaller than the sum of its proper divisors (2299087540).

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

2084820380 is a wasteful number, since it uses less digits than its factorization.

2084820380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137749 (or 137747 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 2084820380 is about 45659.8333330292. The cubic root of 2084820380 is about 1277.4861918205.

The spelling of 2084820380 in words is "two billion, eighty-four million, eight hundred twenty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 761 1522 3044 3805 7610 15220 136979 273958 547916 684895 1369790 2739580 104241019 208482038 416964076 521205095 1042410190 2084820380