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130008 = 2335417
BaseRepresentation
bin11111101111011000
320121100010
4133233120
513130013
62441520
71051014
oct375730
9217303
10130008
118974a
12632a0
1347238
1435544
15287c3
hex1fbd8

130008 has 16 divisors (see below), whose sum is σ = 325080. Its totient is φ = 43328.

The previous prime is 130003. The next prime is 130021. The reversal of 130008 is 800031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 129975 and 130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685 + ... + 2732.

2130008 is an apocalyptic number.

It is an amenable number.

130008 is an abundant number, since it is smaller than the sum of its proper divisors (195072).

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

130008 is a wasteful number, since it uses less digits than its factorization.

130008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 130008 is about 360.5662213797. The cubic root of 130008 is about 50.6590093075.

Adding to 130008 its reverse (800031), we get a palindrome (930039).

The spelling of 130008 in words is "one hundred thirty thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 5417 10834 16251 21668 32502 43336 65004 130008