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2542313 = 12172089
BaseRepresentation
bin1001101100101011101001
311210011101202
421230223221
51122323223
6130253545
730415664
oct11545351
94704352
102542313
111487094
12a272b5
136b0237
144a26db
15353428
hex26cae9

2542313 has 4 divisors (see below), whose sum is σ = 2545620. Its totient is φ = 2539008.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542313 is 3132452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1605289 + 937024 = 1267^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542313 - 210 = 2541289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2542363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 2261.

It is an arithmetic number, because the mean of its divisors is an integer number (636405).

22542313 is an apocalyptic number.

It is an amenable number.

2542313 is a deficient number, since it is larger than the sum of its proper divisors (3307).

2542313 is a wasteful number, since it uses less digits than its factorization.

2542313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

The product of its digits is 720, while the sum is 20.

The square root of 2542313 is about 1594.4632325645. The cubic root of 2542313 is about 136.4823021328.

Adding to 2542313 its reverse (3132452), we get a palindrome (5674765).

The spelling of 2542313 in words is "two million, five hundred forty-two thousand, three hundred thirteen".

Divisors: 1 1217 2089 2542313