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2081013 = 311193319
BaseRepresentation
bin111111100000011110101
310220201121120
413330003311
51013043023
6112334153
723455044
oct7740365
93821546
102081013
1111a1550
12844359
1357b28c
143c255b
152b18e3
hex1fc0f5

2081013 has 16 divisors (see below), whose sum is σ = 3187200. Its totient is φ = 1194480.

The previous prime is 2080979. The next prime is 2081029. The reversal of 2081013 is 3101802.

It is a happy number.

It is not a de Polignac number, because 2081013 - 29 = 2080501 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2080983 and 2081001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081033) 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 15 ways as a sum of consecutive naturals, for example, 1033 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (199200).

22081013 is an apocalyptic number.

It is an amenable number.

2081013 is a deficient number, since it is larger than the sum of its proper divisors (1106187).

2081013 is a wasteful number, since it uses less digits than its factorization.

2081013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2081013 is about 1442.5716619981. The cubic root of 2081013 is about 127.6708052962.

Adding to 2081013 its reverse (3101802), we get a palindrome (5182815).

It can be divided in two parts, 208 and 1013, that added together give a palindrome (1221).

The spelling of 2081013 in words is "two million, eighty-one thousand, thirteen".

Divisors: 1 3 11 19 33 57 209 627 3319 9957 36509 63061 109527 189183 693671 2081013