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130265 = 526053
BaseRepresentation
bin11111110011011001
320121200122
4133303121
513132030
62443025
71051532
oct376331
9217618
10130265
1189963
1263475
13473a5
1435689
15288e5
hex1fcd9

130265 has 4 divisors (see below), whose sum is σ = 156324. Its totient is φ = 104208.

The previous prime is 130261. The next prime is 130267. The reversal of 130265 is 562031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562031 = 2632137.

It can be written as a sum of positive squares in 2 ways, for example, as 80089 + 50176 = 283^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 130265 - 22 = 130261 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (130261) 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, 13022 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (39081).

2130265 is an apocalyptic number.

It is an amenable number.

130265 is a deficient number, since it is larger than the sum of its proper divisors (26059).

130265 is an equidigital number, since it uses as much as digits as its factorization.

130265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26058.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130265 is about 360.9224293390. The cubic root of 130265 is about 50.6923682698.

Adding to 130265 its reverse (562031), we get a palindrome (692296).

It can be divided in two parts, 13026 and 5, that added together give a palindrome (13031).

The spelling of 130265 in words is "one hundred thirty thousand, two hundred sixty-five".

Divisors: 1 5 26053 130265