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2709393 = 31515981
BaseRepresentation
bin1010010101011110010001
312002122120220
422111132101
51143200033
6134023253
732013051
oct12253621
95078526
102709393
111590675
12aa7b29
1373b2bb
14507561
15387bb3
hex295791

2709393 has 8 divisors (see below), whose sum is σ = 3637056. Its totient is φ = 1794000.

The previous prime is 2709391. The next prime is 2709397. The reversal of 2709393 is 3939072.

2709393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2709393 - 21 = 2709391 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 219 + 72 + 0 + 95 + 35 + 96 + 313 .

2709393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2709391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (454632).

22709393 is an apocalyptic number.

It is an amenable number.

2709393 is a deficient number, since it is larger than the sum of its proper divisors (927663).

2709393 is a wasteful number, since it uses less digits than its factorization.

2709393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 2709393 is about 1646.0233898703. The cubic root of 2709393 is about 139.4089538356.

The spelling of 2709393 in words is "two million, seven hundred nine thousand, three hundred ninety-three".

Divisors: 1 3 151 453 5981 17943 903131 2709393