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5642013 = 313144667
BaseRepresentation
bin10101100001011100011101
3101121122101110
4111201130131
52421021023
6320532233
765646006
oct25413435
911548343
105642013
113203a23
121a81079
131227090
14a6c1ad
15766a93
hex56171d

5642013 has 8 divisors (see below), whose sum is σ = 8101408. Its totient is φ = 3471984.

The previous prime is 5641997. The next prime is 5642017. The reversal of 5642013 is 3102465.

It is a happy number.

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

It is not a de Polignac number, because 5642013 - 24 = 5641997 is a prime.

It is a Duffinian number.

It is a Curzon number.

5642013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642017) 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, 72295 + ... + 72372.

It is an arithmetic number, because the mean of its divisors is an integer number (1012676).

Almost surely, 25642013 is an apocalyptic number.

It is an amenable number.

5642013 is a deficient number, since it is larger than the sum of its proper divisors (2459395).

5642013 is a wasteful number, since it uses less digits than its factorization.

5642013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144683.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5642013 is about 2375.2921925523. The cubic root of 5642013 is about 178.0237838017.

Adding to 5642013 its reverse (3102465), we get a palindrome (8744478).

The spelling of 5642013 in words is "five million, six hundred forty-two thousand, thirteen".

Divisors: 1 3 13 39 144667 434001 1880671 5642013