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2085513 = 3695171
BaseRepresentation
bin111111101001010001001
310220221210020
413331022021
51013214023
6112411053
723504133
oct7751211
93827706
102085513
1111a4971
12846a89
13580341
143c4053
152b2de3
hex1fd289

2085513 has 4 divisors (see below), whose sum is σ = 2780688. Its totient is φ = 1390340.

The previous prime is 2085511. The next prime is 2085539. The reversal of 2085513 is 3155802.

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 2085513 - 21 = 2085511 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2085511) 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, 347583 + ... + 347588.

It is an arithmetic number, because the mean of its divisors is an integer number (695172).

22085513 is an apocalyptic number.

It is an amenable number.

2085513 is a deficient number, since it is larger than the sum of its proper divisors (695175).

2085513 is an equidigital number, since it uses as much as digits as its factorization.

2085513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695174.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2085513 is about 1444.1305342662. The cubic root of 2085513 is about 127.7627645177.

The spelling of 2085513 in words is "two million, eighty-five thousand, five hundred thirteen".

Divisors: 1 3 695171 2085513