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130235 = 57612
BaseRepresentation
bin11111110010111011
320121122112
4133302323
513131420
62442535
71051460
oct376273
9217575
10130235
1189936
126344b
1347381
1435667
15288c5
hex1fcbb

130235 has 12 divisors (see below), whose sum is σ = 181584. Its totient is φ = 87840.

The previous prime is 130223. The next prime is 130241. The reversal of 130235 is 532031.

It is not a de Polignac number, because 130235 - 26 = 130171 is a prime.

It is a super-2 number, since 2×1302352 = 33922310450, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

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 11 ways as a sum of consecutive naturals, for example, 2105 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (15132).

2130235 is an apocalyptic number.

130235 is a deficient number, since it is larger than the sum of its proper divisors (51349).

130235 is an frugal number, since it uses more digits than its factorization.

130235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 130235 is about 360.8808667691. The cubic root of 130235 is about 50.6884764907.

Adding to 130235 its reverse (532031), we get a palindrome (662266).

The spelling of 130235 in words is "one hundred thirty thousand, two hundred thirty-five".

Divisors: 1 5 7 35 61 305 427 2135 3721 18605 26047 130235