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130056 = 2335419
BaseRepresentation
bin11111110000001000
320121101220
4133300020
513130211
62442040
71051113
oct376010
9217356
10130056
1189793
1263320
1347274
143557a
1528806
hex1fc08

130056 has 16 divisors (see below), whose sum is σ = 325200. Its totient is φ = 43344.

The previous prime is 130051. The next prime is 130057. The reversal of 130056 is 650031.

130056 is nontrivially palindromic in base 13.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (130051) by changing a digit.

130056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (20325).

2130056 is an apocalyptic number.

It is an amenable number.

130056 is an abundant number, since it is smaller than the sum of its proper divisors (195144).

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

130056 is a wasteful number, since it uses less digits than its factorization.

130056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5424 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 130056 is about 360.6327772125. The cubic root of 130056 is about 50.6652431117.

Adding to 130056 its reverse (650031), we get a palindrome (780087).

The spelling of 130056 in words is "one hundred thirty thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 5419 10838 16257 21676 32514 43352 65028 130056