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2794285321 = 528612
BaseRepresentation
bin1010011010001101…
…0110100100001001
321012201221101211221
42212203112210021
521210314112241
61141135122041
7126150014302
oct24643264411
97181841757
102794285321
111204334a13
1265b973321
13356ba9089
141c71777a9
151154ab5d1
hexa68d6909

2794285321 has 3 divisors (see below), whose sum is σ = 2794338183. Its totient is φ = 2794232460.

The previous prime is 2794285267. The next prime is 2794285339. The reversal of 2794285321 is 1235824972.

The square root of 2794285321 is 52861.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1854249721 + 940035600 = 43061^2 + 30660^2 .

It is not a de Polignac number, because 2794285321 - 29 = 2794284809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2794285391) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26431 + ... + 79291.

It is an arithmetic number, because the mean of its divisors is an integer number (931446061).

Almost surely, 22794285321 is an apocalyptic number.

2794285321 is the 52861-st square number.

2794285321 is the 26431-st centered octagonal number.

It is an amenable number.

2794285321 is a deficient number, since it is larger than the sum of its proper divisors (52862).

2794285321 is an frugal number, since it uses more digits than its factorization.

2794285321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105722 (or 52861 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The cubic root of 2794285321 is about 1408.5002111821.

The spelling of 2794285321 in words is "two billion, seven hundred ninety-four million, two hundred eighty-five thousand, three hundred twenty-one".

Divisors: 1 52861 2794285321