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130955 = 5112381
BaseRepresentation
bin11111111110001011
320122122012
4133332023
513142310
62450135
71053536
oct377613
9218565
10130955
118a430
126394b
13477b6
1435a1d
1528c05
hex1ff8b

130955 has 8 divisors (see below), whose sum is σ = 171504. Its totient is φ = 95200.

The previous prime is 130927. The next prime is 130957. The reversal of 130955 is 559031.

130955 = 512 + 522 + ... + 802.

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

It is not a de Polignac number, because 130955 - 28 = 130699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130955.

It is not an unprimeable number, because it can be changed into a prime (130957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (21438).

2130955 is an apocalyptic number.

130955 is a deficient number, since it is larger than the sum of its proper divisors (40549).

130955 is a wasteful number, since it uses less digits than its factorization.

130955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 130955 is about 361.8770509441. The cubic root of 130955 is about 50.7817147492.

Adding to 130955 its reverse (559031), we get a palindrome (689986).

The spelling of 130955 in words is "one hundred thirty thousand, nine hundred fifty-five".

Divisors: 1 5 11 55 2381 11905 26191 130955