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606013 = 2920897
BaseRepresentation
bin10010011111100111101
31010210021221
42103330331
5123343023
620553341
75102542
oct2237475
91123257
10606013
11384341
12252851
13182ab5
1411abc9
15be85d
hex93f3d

606013 has 4 divisors (see below), whose sum is σ = 626940. Its totient is φ = 585088.

The previous prime is 605993. The next prime is 606017. The reversal of 606013 is 310606.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310606 = 2155303.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 267289 = 582^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 606013 - 217 = 474941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606017) 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 3 ways as a sum of consecutive naturals, for example, 10420 + ... + 10477.

It is an arithmetic number, because the mean of its divisors is an integer number (156735).

2606013 is an apocalyptic number.

It is an amenable number.

606013 is a deficient number, since it is larger than the sum of its proper divisors (20927).

606013 is a wasteful number, since it uses less digits than its factorization.

606013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 606013 is about 778.4683680150. The cubic root of 606013 is about 84.6240838905.

Adding to 606013 its reverse (310606), we get a palindrome (916619).

The spelling of 606013 in words is "six hundred six thousand, thirteen".

Divisors: 1 29 20897 606013