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2840713 = 8593307
BaseRepresentation
bin1010110101100010001001
312100022201121
422311202021
51211400323
6140515241
733100651
oct12654211
95308647
102840713
1116702a7
12b4bb21
13785cc5
1453d361
153b1a5d
hex2b5889

2840713 has 4 divisors (see below), whose sum is σ = 2844880. Its totient is φ = 2836548.

The previous prime is 2840699. The next prime is 2840723. The reversal of 2840713 is 3170482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2840713 - 25 = 2840681 is a prime.

It is a Duffinian number.

2840713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2840723) 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, 795 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (711220).

22840713 is an apocalyptic number.

It is an amenable number.

2840713 is a deficient number, since it is larger than the sum of its proper divisors (4167).

2840713 is an equidigital number, since it uses as much as digits as its factorization.

2840713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2840713 is about 1685.4414851902. The cubic root of 2840713 is about 141.6258250587.

It can be divided in two parts, 2840 and 713, that added together give a palindrome (3553).

The spelling of 2840713 in words is "two million, eight hundred forty thousand, seven hundred thirteen".

Divisors: 1 859 3307 2840713