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130488 = 2335437
BaseRepresentation
bin11111110110111000
320121222220
4133312320
513133423
62444040
71052301
oct376670
9217886
10130488
118a046
1263620
1347517
14357a8
15289e3
hex1fdb8

130488 has 16 divisors (see below), whose sum is σ = 326280. Its totient is φ = 43488.

The previous prime is 130483. The next prime is 130489. The reversal of 130488 is 884031.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5437 = 130488 / (1 + 3 + 0 + 4 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130483) 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, 2695 + ... + 2742.

2130488 is an apocalyptic number.

It is an amenable number.

130488 is an abundant number, since it is smaller than the sum of its proper divisors (195792).

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

130488 is a wasteful number, since it uses less digits than its factorization.

130488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 130488 is about 361.2312278860. The cubic root of 130488 is about 50.7212784493.

The spelling of 130488 in words is "one hundred thirty thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 5437 10874 16311 21748 32622 43496 65244 130488