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3049728025 = 52121989121
BaseRepresentation
bin1011010111000111…
…0010100000011001
321212112121020100211
42311301302200121
522221212244100
61222342131121
7135401155231
oct26561624031
97775536324
103049728025
111325545893
12711420aa1
13397aa5bc6
1420d06ccc1
1512cb181ba
hexb5c72819

3049728025 has 6 divisors (see below), whose sum is σ = 3781662782. Its totient is φ = 2439782400.

The previous prime is 3049728007. The next prime is 3049728037. The reversal of 3049728025 is 5208279403.

It can be written as a sum of positive squares in 3 ways, for example, as 1003432329 + 2046295696 = 31677^2 + 45236^2 .

It is not a de Polignac number, because 3049728025 - 27 = 3049727897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60994536 + ... + 60994585.

Almost surely, 23049728025 is an apocalyptic number.

It is an amenable number.

3049728025 is a deficient number, since it is larger than the sum of its proper divisors (731934757).

3049728025 is a wasteful number, since it uses less digits than its factorization.

3049728025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121989131 (or 121989126 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 3049728025 is about 55224.3426850877. The cubic root of 3049728025 is about 1450.1748540623.

The spelling of 3049728025 in words is "three billion, forty-nine million, seven hundred twenty-eight thousand, twenty-five".

Divisors: 1 5 25 121989121 609945605 3049728025