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130280 = 2353257
BaseRepresentation
bin11111110011101000
320121201012
4133303220
513132110
62443052
71051553
oct376350
9217635
10130280
1189977
1263488
13473b7
143569a
1528905
hex1fce8

130280 has 16 divisors (see below), whose sum is σ = 293220. Its totient is φ = 52096.

The previous prime is 130279. The next prime is 130303. The reversal of 130280 is 82031.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 2116 = 358^2 + 46^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589 + ... + 1668.

2130280 is an apocalyptic number.

130280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130280 is an abundant number, since it is smaller than the sum of its proper divisors (162940).

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

130280 is a wasteful number, since it uses less digits than its factorization.

130280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130280 is about 360.9432088293. The cubic root of 130280 is about 50.6943139353.

The spelling of 130280 in words is "one hundred thirty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 3257 6514 13028 16285 26056 32570 65140 130280