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2505013 = 7357859
BaseRepresentation
bin1001100011100100110101
311201021020021
421203210311
51120130023
6125405141
730202150
oct11434465
94637207
102505013
111461065
12a097b1
13699274
14492c97
1534735d
hex263935

2505013 has 4 divisors (see below), whose sum is σ = 2862880. Its totient is φ = 2147148.

The previous prime is 2505007. The next prime is 2505043. The reversal of 2505013 is 3105052.

2505013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2505013 - 25 = 2504981 is a prime.

It is a Duffinian number.

2505013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178923 + ... + 178936.

It is an arithmetic number, because the mean of its divisors is an integer number (715720).

22505013 is an apocalyptic number.

It is an amenable number.

2505013 is a deficient number, since it is larger than the sum of its proper divisors (357867).

2505013 is an equidigital number, since it uses as much as digits as its factorization.

2505013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357866.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2505013 is about 1582.7232859853. The cubic root of 2505013 is about 135.8115360995.

The spelling of 2505013 in words is "two million, five hundred five thousand, thirteen".

Divisors: 1 7 357859 2505013