Search a number
-
+
2927047801 = 53280119717
BaseRepresentation
bin1010111001110111…
…0011010001111001
321112222202102201211
42232131303101321
521443311012201
61202240443121
7132351332026
oct25635632171
97488672654
102927047801
111272273377
126983194a1
13378551062
141daa5654d
15121e83651
hexae773479

2927047801 has 8 divisors (see below), whose sum is σ = 2983491144. Its totient is φ = 2870649600.

The previous prime is 2927047759. The next prime is 2927047819. The reversal of 2927047801 is 1087407292.

It can be written as a sum of positive squares in 4 ways, for example, as 173317225 + 2753730576 = 13165^2 + 52476^2 .

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

It is not a de Polignac number, because 2927047801 - 211 = 2927045753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2927042801) 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, 138595 + ... + 158311.

It is an arithmetic number, because the mean of its divisors is an integer number (372936393).

Almost surely, 22927047801 is an apocalyptic number.

It is an amenable number.

2927047801 is a deficient number, since it is larger than the sum of its proper divisors (56443343).

2927047801 is a wasteful number, since it uses less digits than its factorization.

2927047801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22571.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2927047801 is about 54102.1977464872. The cubic root of 2927047801 is about 1430.4629210184.

The spelling of 2927047801 in words is "two billion, nine hundred twenty-seven million, forty-seven thousand, eight hundred one".

Divisors: 1 53 2801 19717 148453 1045001 55227317 2927047801