Search a number
-
+
130853 = 197197
BaseRepresentation
bin11111111100100101
320122111102
4133330211
513141403
62445445
71053332
oct377445
9218442
10130853
118a348
1263885
1347738
1435989
1528b88
hex1ff25

130853 has 8 divisors (see below), whose sum is σ = 141120. Its totient is φ = 120960.

The previous prime is 130843. The next prime is 130859. The reversal of 130853 is 358031.

130853 = 172 + 182 + ... + 732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130853 - 212 = 126757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130859) 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, 1301 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2130853 is an apocalyptic number.

It is an amenable number.

130853 is a deficient number, since it is larger than the sum of its proper divisors (10267).

130853 is an equidigital number, since it uses as much as digits as its factorization.

130853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 130853 is about 361.7360916469. The cubic root of 130853 is about 50.7685268085.

Adding to 130853 its reverse (358031), we get a palindrome (488884).

The spelling of 130853 in words is "one hundred thirty thousand, eight hundred fifty-three".

Divisors: 1 19 71 97 1349 1843 6887 130853