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130286 = 2135011
BaseRepresentation
bin11111110011101110
320121201102
4133303232
513132121
62443102
71051562
oct376356
9217642
10130286
1189982
1263492
13473c0
14356a2
152890b
hex1fcee

130286 has 8 divisors (see below), whose sum is σ = 210504. Its totient is φ = 60120.

The previous prime is 130279. The next prime is 130303. The reversal of 130286 is 682031.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2480 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (26313).

2130286 is an apocalyptic number.

130286 is a deficient number, since it is larger than the sum of its proper divisors (80218).

130286 is a wasteful number, since it uses less digits than its factorization.

130286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 130286 is about 360.9515202905. The cubic root of 130286 is about 50.6950921597.

The spelling of 130286 in words is "one hundred thirty thousand, two hundred eighty-six".

Divisors: 1 2 13 26 5011 10022 65143 130286