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2431013 = 13414561
BaseRepresentation
bin1001010001100000100101
311120111201112
421101200211
51110243023
6124034405
726443334
oct11214045
94514645
102431013
111410502
12992a05
13671690
14473d1b
15330478
hex251825

2431013 has 8 divisors (see below), whose sum is σ = 2682456. Its totient is φ = 2188800.

The previous prime is 2431007. The next prime is 2431049. The reversal of 2431013 is 3101342.

2431013 = 11022 + 11032.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 2362369 = 262^2 + 1537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2431013 - 24 = 2430997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (335307).

22431013 is an apocalyptic number.

2431013 is the 1103-rd centered square number.

It is an amenable number.

2431013 is a deficient number, since it is larger than the sum of its proper divisors (251443).

2431013 is a wasteful number, since it uses less digits than its factorization.

2431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2431013 is about 1559.1706128580. The cubic root of 2431013 is about 134.4608215421.

Adding to 2431013 its reverse (3101342), we get a palindrome (5532355).

The spelling of 2431013 in words is "two million, four hundred thirty-one thousand, thirteen".

Divisors: 1 13 41 533 4561 59293 187001 2431013