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130238 = 265119
BaseRepresentation
bin11111110010111110
320121122122
4133302332
513131423
62442542
71051463
oct376276
9217578
10130238
1189939
1263452
1347384
143566a
15288c8
hex1fcbe

130238 has 4 divisors (see below), whose sum is σ = 195360. Its totient is φ = 65118.

The previous prime is 130223. The next prime is 130241. The reversal of 130238 is 832031.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 14.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 32558 + ... + 32561.

It is an arithmetic number, because the mean of its divisors is an integer number (48840).

2130238 is an apocalyptic number.

130238 is a deficient number, since it is larger than the sum of its proper divisors (65122).

130238 is an equidigital number, since it uses as much as digits as its factorization.

130238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65121.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130238 is about 360.8850232415. The cubic root of 130238 is about 50.6888656955.

Adding to 130238 its reverse (832031), we get a palindrome (962269).

It can be divided in two parts, 13023 and 8, that added together give a palindrome (13031).

The spelling of 130238 in words is "one hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 65119 130238