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2029232209 = 10724212
BaseRepresentation
bin111100011110011…
…1010000001010001
312020102100200021111
41320330322001101
513123440412314
6533205253321
7101200121614
oct17074720121
95212320244
102029232209
119514a3214
12487704241
13264540a24
1415370817b
15bd238ec4
hex78f3a051

2029232209 has 9 divisors (see below), whose sum is σ = 2053251291. Its totient is φ = 2005492440.

The previous prime is 2029232171. The next prime is 2029232213. The reversal of 2029232209 is 9022329202.

The square root of 2029232209 is 45047.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 2019603600 = 3103^2 + 44940^2 .

It is not a de Polignac number, because 2029232209 - 213 = 2029224017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2029232809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4819819 + ... + 4820239.

Almost surely, 22029232209 is an apocalyptic number.

2029232209 is the 45047-th square number.

2029232209 is the 22524-th centered octagonal number.

It is an amenable number.

2029232209 is a deficient number, since it is larger than the sum of its proper divisors (24019082).

2029232209 is an frugal number, since it uses more digits than its factorization.

2029232209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The cubic root of 2029232209 is about 1266.0297632402.

The spelling of 2029232209 in words is "two billion, twenty-nine million, two hundred thirty-two thousand, two hundred nine".

Divisors: 1 107 421 11449 45047 177241 4820029 18964787 2029232209