Search a number
-
+
260180 = 22513009
BaseRepresentation
bin111111100001010100
3111012220022
4333201110
531311210
65324312
72132354
oct774124
9435808
10260180
11168528
12106698
139156b
146ab64
1552155
hex3f854

260180 has 12 divisors (see below), whose sum is σ = 546420. Its totient is φ = 104064.

The previous prime is 260179. The next prime is 260189. The reversal of 260180 is 81062.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 188356 = 268^2 + 434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260189) 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, 6485 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (45535).

2260180 is an apocalyptic number.

260180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260180 is an abundant number, since it is smaller than the sum of its proper divisors (286240).

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

260180 is a wasteful number, since it uses less digits than its factorization.

260180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018 (or 13016 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 260180 is about 510.0784253426. The cubic root of 260180 is about 63.8397684470.

The spelling of 260180 in words is "two hundred sixty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 13009 26018 52036 65045 130090 260180