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613140 = 223511929
BaseRepresentation
bin10010101101100010100
31011011001220
42111230110
5124110030
621050340
75132403
oct2255424
91134056
10613140
11389730
122569b0
13186108
1411d63a
15c1a10
hex95b14

613140 has 48 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 148480.

The previous prime is 613099. The next prime is 613141. The reversal of 613140 is 41316.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2613140 is an apocalyptic number.

613140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

613140 is an abundant number, since it is smaller than the sum of its proper divisors (1261740).

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

613140 is a wasteful number, since it uses less digits than its factorization.

613140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 613140 is about 783.0325663726. The cubic root of 613140 is about 84.9545316223.

Adding to 613140 its reverse (41316), we get a palindrome (654456).

The spelling of 613140 in words is "six hundred thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 929 1858 2787 3716 4645 5574 9290 10219 11148 13935 18580 20438 27870 30657 40876 51095 55740 61314 102190 122628 153285 204380 306570 613140