Search a number
-
+
2772450049 = 17163085297
BaseRepresentation
bin1010010101000000…
…0011101100000001
321011012212001111011
42211100003230001
521134221400144
61135035120521
7125463302515
oct24520035401
97135761434
102772450049
1111a2a80836
126545a3141
133525024b5
141c42d2145
151135e6a34
hexa5403b01

2772450049 has 4 divisors (see below), whose sum is σ = 2935535364. Its totient is φ = 2609364736.

The previous prime is 2772450029. The next prime is 2772450077. The reversal of 2772450049 is 9400542772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 861011649 + 1911438400 = 29343^2 + 43720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772450049 - 211 = 2772448001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2772449993 and 2772450020.

It is not an unprimeable number, because it can be changed into a prime (2772450029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81542632 + ... + 81542665.

It is an arithmetic number, because the mean of its divisors is an integer number (733883841).

Almost surely, 22772450049 is an apocalyptic number.

It is an amenable number.

2772450049 is a deficient number, since it is larger than the sum of its proper divisors (163085315).

2772450049 is a wasteful number, since it uses less digits than its factorization.

2772450049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163085314.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 2772450049 is about 52654.0601378469. The cubic root of 2772450049 is about 1404.8218175527.

The spelling of 2772450049 in words is "two billion, seven hundred seventy-two million, four hundred fifty thousand, forty-nine".

Divisors: 1 17 163085297 2772450049