Search a number
-
+
2101085 = 57173347
BaseRepresentation
bin1000000000111101011101
310221202010222
420000331131
51014213320
6113011125
723600420
oct10007535
93852128
102101085
111205638
12853aa5
1358745c
143c99b7
152b7825
hex200f5d

2101085 has 16 divisors (see below), whose sum is σ = 2906496. Its totient is φ = 1428288.

The previous prime is 2101067. The next prime is 2101091. The reversal of 2101085 is 5801012.

It is not a de Polignac number, because 2101085 - 216 = 2035549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5882 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (181656).

22101085 is an apocalyptic number.

It is an amenable number.

2101085 is a deficient number, since it is larger than the sum of its proper divisors (805411).

2101085 is a wasteful number, since it uses less digits than its factorization.

2101085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2101085 is about 1449.5119868425. The cubic root of 2101085 is about 128.0799671205.

Adding to 2101085 its reverse (5801012), we get a palindrome (7902097).

The spelling of 2101085 in words is "two million, one hundred one thousand, eighty-five".

Divisors: 1 5 7 35 173 347 865 1211 1735 2429 6055 12145 60031 300155 420217 2101085