Search a number
-
+
2839385973 = 31949813789
BaseRepresentation
bin1010100100111101…
…1001011101110101
321022212210202022110
42221033121131311
521303340322343
61145425521233
7130235245134
oct25117313565
97285722273
102839385973
111227839786
12672aa3219
1336333a458
141cd15791b
15119419833
hexa93d9775

2839385973 has 8 divisors (see below), whose sum is σ = 3985103200. Its totient is φ = 1793296368.

The previous prime is 2839385959. The next prime is 2839385981. The reversal of 2839385973 is 3795839382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2839385973 - 212 = 2839381877 is a prime.

It is a super-2 number, since 2×28393859732 = 16124225407338313458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 49813789 = 2839385973 / (2 + 8 + 3 + 9 + 3 + 8 + 5 + 9 + 7 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839385993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24906838 + ... + 24906951.

It is an arithmetic number, because the mean of its divisors is an integer number (498137900).

Almost surely, 22839385973 is an apocalyptic number.

It is an amenable number.

2839385973 is a deficient number, since it is larger than the sum of its proper divisors (1145717227).

2839385973 is a wasteful number, since it uses less digits than its factorization.

2839385973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49813811.

The product of its digits is 9797760, while the sum is 57.

The square root of 2839385973 is about 53285.8890608011. The cubic root of 2839385973 is about 1416.0376832314.

The spelling of 2839385973 in words is "two billion, eight hundred thirty-nine million, three hundred eighty-five thousand, nine hundred seventy-three".

Divisors: 1 3 19 57 49813789 149441367 946461991 2839385973