Search a number
-
+
2049730892 = 221146584793
BaseRepresentation
bin111101000101100…
…0110100101001100
312021211221010011222
41322023012211030
513144212342032
6535220502512
7101536265546
oct17213064514
95254833158
102049730892
11962024180
1249254aa38
1326886a121
14156322696
15bee37a12
hex7a2c694c

2049730892 has 12 divisors (see below), whose sum is σ = 3913122696. Its totient is φ = 931695840.

The previous prime is 2049730889. The next prime is 2049730897. The reversal of 2049730892 is 2980379402.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 46584793 = 2049730892 / (2 + 0 + 4 + 9 + 7 + 3 + 0 + 8 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (2049730897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23292353 + ... + 23292440.

It is an arithmetic number, because the mean of its divisors is an integer number (326093558).

Almost surely, 22049730892 is an apocalyptic number.

2049730892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2049730892 is a deficient number, since it is larger than the sum of its proper divisors (1863391804).

2049730892 is a wasteful number, since it uses less digits than its factorization.

2049730892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46584808 (or 46584806 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2049730892 is about 45273.9537924401. The cubic root of 2049730892 is about 1270.2785038250.

The spelling of 2049730892 in words is "two billion, forty-nine million, seven hundred thirty thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 44 46584793 93169586 186339172 512432723 1024865446 2049730892