Search a number
-
+
2087313 = 3695771
BaseRepresentation
bin111111101100110010001
310221001020220
413331212101
51013243223
6112423253
723512314
oct7754621
93831226
102087313
1111a6258
12847b29
135810c7
143c497b
152b36e3
hex1fd991

2087313 has 4 divisors (see below), whose sum is σ = 2783088. Its totient is φ = 1391540.

The previous prime is 2087303. The next prime is 2087339. The reversal of 2087313 is 3137802.

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 2087313 - 24 = 2087297 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2087303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347883 + ... + 347888.

It is an arithmetic number, because the mean of its divisors is an integer number (695772).

22087313 is an apocalyptic number.

It is an amenable number.

2087313 is a deficient number, since it is larger than the sum of its proper divisors (695775).

2087313 is an equidigital number, since it uses as much as digits as its factorization.

2087313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695774.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2087313 is about 1444.7536122121. The cubic root of 2087313 is about 127.7995111670.

The spelling of 2087313 in words is "two million, eighty-seven thousand, three hundred thirteen".

Divisors: 1 3 695771 2087313