Search a number
-
+
1085015 = 5217003
BaseRepresentation
bin100001000111001010111
32001010100202
410020321113
5234210030
635131115
712136211
oct4107127
92033322
101085015
11681208
12443a9b
132bcb29
142035b1
15166745
hex108e57

1085015 has 4 divisors (see below), whose sum is σ = 1302024. Its totient is φ = 868008.

The previous prime is 1085011. The next prime is 1085017. The reversal of 1085015 is 5105801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5105801 = 5986539.

It is a cyclic number.

It is not a de Polignac number, because 1085015 - 22 = 1085011 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 (1085011) 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, 108497 + ... + 108506.

It is an arithmetic number, because the mean of its divisors is an integer number (325506).

21085015 is an apocalyptic number.

1085015 is a deficient number, since it is larger than the sum of its proper divisors (217009).

1085015 is an equidigital number, since it uses as much as digits as its factorization.

1085015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217008.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1085015 is about 1041.6405330055. The cubic root of 1085015 is about 102.7571177259.

The spelling of 1085015 in words is "one million, eighty-five thousand, fifteen".

Divisors: 1 5 217003 1085015