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613230 = 23520441
BaseRepresentation
bin10010101101101101110
31011011012020
42111231232
5124110410
621051010
75132562
oct2255556
91134166
10613230
11389802
12256a66
13186177
1411d6a2
15c1a70
hex95b6e

613230 has 16 divisors (see below), whose sum is σ = 1471824. Its totient is φ = 163520.

The previous prime is 613229. The next prime is 613231. The reversal of 613230 is 32316.

It is an interprime number because it is at equal distance from previous prime (613229) and next prime (613231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613231) 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, 10191 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (91989).

2613230 is an apocalyptic number.

613230 is an abundant number, since it is smaller than the sum of its proper divisors (858594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613230 is a wasteful number, since it uses less digits than its factorization.

613230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 613230 is about 783.0900331380. The cubic root of 613230 is about 84.9586881139.

Adding to 613230 its reverse (32316), we get a palindrome (645546).

The spelling of 613230 in words is "six hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 20441 40882 61323 102205 122646 204410 306615 613230