Search a number
-
+
2085005 = 51332077
BaseRepresentation
bin111111101000010001101
310220221002102
413331002031
51013210010
6112404445
723502506
oct7750215
93827072
102085005
1111a454a
12846725
13580040
143c3bad
152b2ba5
hex1fd08d

2085005 has 8 divisors (see below), whose sum is σ = 2694552. Its totient is φ = 1539648.

The previous prime is 2084993. The next prime is 2085007. The reversal of 2085005 is 5005802.

It can be written as a sum of positive squares in 4 ways, for example, as 454276 + 1630729 = 674^2 + 1277^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2085005 - 24 = 2084989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15974 + ... + 16103.

It is an arithmetic number, because the mean of its divisors is an integer number (336819).

22085005 is an apocalyptic number.

It is an amenable number.

2085005 is a deficient number, since it is larger than the sum of its proper divisors (609547).

2085005 is a wasteful number, since it uses less digits than its factorization.

2085005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32095.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2085005 is about 1443.9546391767. The cubic root of 2085005 is about 127.7523899712.

The spelling of 2085005 in words is "two million, eighty-five thousand, five".

Divisors: 1 5 13 65 32077 160385 417001 2085005