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613001 = 2772213
BaseRepresentation
bin10010101101010001001
31011010212202
42111222021
5124104001
621045545
75132114
oct2255211
91133782
10613001
11389614
122568b5
1318602c
1411d57b
15c196b
hex95a89

613001 has 4 divisors (see below), whose sum is σ = 615492. Its totient is φ = 610512.

The previous prime is 612977. The next prime is 613007. The reversal of 613001 is 100316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 203401 = 640^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 613001 - 210 = 611977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613007) 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, 830 + ... + 1383.

It is an arithmetic number, because the mean of its divisors is an integer number (153873).

2613001 is an apocalyptic number.

It is an amenable number.

613001 is a deficient number, since it is larger than the sum of its proper divisors (2491).

613001 is a wasteful number, since it uses less digits than its factorization.

613001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 613001 is about 782.9438038582. The cubic root of 613001 is about 84.9481113527.

Adding to 613001 its reverse (100316), we get a palindrome (713317).

The spelling of 613001 in words is "six hundred thirteen thousand, one".

Divisors: 1 277 2213 613001