Search a number
-
+
130895 = 547557
BaseRepresentation
bin11111111101001111
320122112222
4133331033
513142040
62445555
71053422
oct377517
9218488
10130895
118a386
12638bb
134776b
14359b9
1528bb5
hex1ff4f

130895 has 8 divisors (see below), whose sum is σ = 160704. Its totient is φ = 102304.

The previous prime is 130873. The next prime is 130927. The reversal of 130895 is 598031.

130895 = 282 + 292 + ... + 742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130895 - 28 = 130639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2130895 is an apocalyptic number.

130895 is a deficient number, since it is larger than the sum of its proper divisors (29809).

130895 is an equidigital number, since it uses as much as digits as its factorization.

130895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 130895 is about 361.7941403616. The cubic root of 130895 is about 50.7739579667.

The spelling of 130895 in words is "one hundred thirty thousand, eight hundred ninety-five".

Divisors: 1 5 47 235 557 2785 26179 130895