Search a number
-
+
2072306020 = 225103615301
BaseRepresentation
bin111101110000100…
…1110000101100100
312100102102001102211
41323201032011210
513221002243040
6541344413204
7102232211341
oct17341160544
95312361384
102072306020
11973843204
1249a017204
132704426a5
1415931b7c8
15c1de68ea
hex7b84e164

2072306020 has 12 divisors (see below), whose sum is σ = 4351842684. Its totient is φ = 828922400.

The previous prime is 2072305997. The next prime is 2072306021. The reversal of 2072306020 is 206032702.

It can be written as a sum of positive squares in 2 ways, for example, as 681314404 + 1390991616 = 26102^2 + 37296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2072305982 and 2072306000.

It is not an unprimeable number, because it can be changed into a prime (2072306021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51807631 + ... + 51807670.

It is an arithmetic number, because the mean of its divisors is an integer number (362653557).

Almost surely, 22072306020 is an apocalyptic number.

2072306020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2072306020 is an abundant number, since it is smaller than the sum of its proper divisors (2279536664).

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

2072306020 is a wasteful number, since it uses less digits than its factorization.

2072306020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103615310 (or 103615308 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2072306020 is about 45522.5880195755. The cubic root of 2072306020 is about 1274.9249772594.

Adding to 2072306020 its reverse (206032702), we get a palindrome (2278338722).

The spelling of 2072306020 in words is "two billion, seventy-two million, three hundred six thousand, twenty".

Divisors: 1 2 4 5 10 20 103615301 207230602 414461204 518076505 1036153010 2072306020