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2013530 = 25271743
BaseRepresentation
bin111101011100101011010
310210022001012
413223211122
51003413110
6111053522
723054231
oct7534532
93708035
102013530
111155882
128112a2
1355664c
143a5b18
1529b905
hex1eb95a

2013530 has 16 divisors (see below), whose sum is σ = 3642624. Its totient is φ = 801360.

The previous prime is 2013511. The next prime is 2013533. The reversal of 2013530 is 353102.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2013533) 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 7 ways as a sum of consecutive naturals, for example, 2339 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

22013530 is an apocalyptic number.

2013530 is a deficient number, since it is larger than the sum of its proper divisors (1629094).

2013530 is a wasteful number, since it uses less digits than its factorization.

2013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 2013530 is about 1418.9890767726. The cubic root of 2013530 is about 126.2755789103.

Adding to 2013530 its reverse (353102), we get a palindrome (2366632).

The spelling of 2013530 in words is "two million, thirteen thousand, five hundred thirty".

Divisors: 1 2 5 10 271 542 743 1355 1486 2710 3715 7430 201353 402706 1006765 2013530