Search a number
-
+
130188 = 22319571
BaseRepresentation
bin11111110010001100
320121120210
4133302030
513131223
62442420
71051362
oct376214
9217523
10130188
11898a3
1263410
1347346
1435632
1528893
hex1fc8c

130188 has 24 divisors (see below), whose sum is σ = 320320. Its totient is φ = 41040.

The previous prime is 130183. The next prime is 130199. The reversal of 130188 is 881031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 513.

2130188 is an apocalyptic number.

It is an amenable number.

130188 is an abundant number, since it is smaller than the sum of its proper divisors (190132).

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

130188 is a wasteful number, since it uses less digits than its factorization.

130188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 130188 is about 360.8157424504. The cubic root of 130188 is about 50.6823781684.

The spelling of 130188 in words is "one hundred thirty thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 571 1142 1713 2284 3426 6852 10849 21698 32547 43396 65094 130188