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130230 = 23251447
BaseRepresentation
bin11111110010110110
320121122100
4133302312
513131410
62442530
71051452
oct376266
9217570
10130230
1189931
1263446
1347379
1435662
15288c0
hex1fcb6

130230 has 24 divisors (see below), whose sum is σ = 338832. Its totient is φ = 34704.

The previous prime is 130223. The next prime is 130241. The reversal of 130230 is 32031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

130230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (14118).

2130230 is an apocalyptic number.

130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130230 is an abundant number, since it is smaller than the sum of its proper divisors (208602).

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

130230 is a wasteful number, since it uses less digits than its factorization.

130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 130230 is about 360.8739392087. The cubic root of 130230 is about 50.6878278028.

Adding to 130230 its reverse (32031), we get a palindrome (162261).

It can be divided in two parts, 1302 and 30, that multiplied together give a triangular number (39060 = T279).

The spelling of 130230 in words is "one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1447 2894 4341 7235 8682 13023 14470 21705 26046 43410 65115 130230