Search a number
-
+
2723540212 = 22680885053
BaseRepresentation
bin1010001001010101…
…1110110011110100
321000210211011210201
42202111132303310
521034211241322
61130130530244
7124330465321
oct24225366364
97023734721
102723540212
111178405088
12640136984
13345339373
141bb9ddb48
1510e184d27
hexa255ecf4

2723540212 has 6 divisors (see below), whose sum is σ = 4766195378. Its totient is φ = 1361770104.

The previous prime is 2723540201. The next prime is 2723540219. The reversal of 2723540212 is 2120453272.

It can be written as a sum of positive squares in only one way, i.e., 2043582436 + 679957776 = 45206^2 + 26076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723540219) 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 as a sum of consecutive naturals, namely, 340442523 + ... + 340442530.

Almost surely, 22723540212 is an apocalyptic number.

It is an amenable number.

2723540212 is a deficient number, since it is larger than the sum of its proper divisors (2042655166).

2723540212 is a wasteful number, since it uses less digits than its factorization.

2723540212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680885057 (or 680885055 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2723540212 is about 52187.5484383009. The cubic root of 2723540212 is about 1396.5117601380.

Adding to 2723540212 its reverse (2120453272), we get a palindrome (4843993484).

The spelling of 2723540212 in words is "two billion, seven hundred twenty-three million, five hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 680885053 1361770106 2723540212