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2722047201 = 34229146749
BaseRepresentation
bin1010001000111111…
…0010010011100001
321000201000022210000
42202033302103201
521033321002301
61130034530213
7124312006446
oct24217622341
97021008700
102722047201
111177585395
1263b736969
13344c35923
141bb7319cd
1510de8c786
hexa23f24e1

2722047201 has 20 divisors (see below), whose sum is σ = 4084052500. Its totient is φ = 1806761376.

The previous prime is 2722047197. The next prime is 2722047227. The reversal of 2722047201 is 1027402272.

It can be written as a sum of positive squares in 2 ways, for example, as 1490037201 + 1232010000 = 38601^2 + 35100^2 .

It is not a de Polignac number, because 2722047201 - 22 = 2722047197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722007201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54826 + ... + 91923.

It is an arithmetic number, because the mean of its divisors is an integer number (204202625).

Almost surely, 22722047201 is an apocalyptic number.

It is an amenable number.

2722047201 is a deficient number, since it is larger than the sum of its proper divisors (1362005299).

2722047201 is a wasteful number, since it uses less digits than its factorization.

2722047201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146990 (or 146981 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 2722047201 is about 52173.2421936763. The cubic root of 2722047201 is about 1396.2565300129.

Adding to 2722047201 its reverse (1027402272), we get a palindrome (3749449473).

The spelling of 2722047201 in words is "two billion, seven hundred twenty-two million, forty-seven thousand, two hundred one".

Divisors: 1 3 9 27 81 229 687 2061 6183 18549 146749 440247 1320741 3962223 11886669 33605521 100816563 302449689 907349067 2722047201