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130375 = 537149
BaseRepresentation
bin11111110101000111
320121211201
4133311013
513133000
62443331
71052050
oct376507
9217751
10130375
1189a53
1263547
134745b
1435727
152896a
hex1fd47

130375 has 16 divisors (see below), whose sum is σ = 187200. Its totient is φ = 88800.

The previous prime is 130369. The next prime is 130379. The reversal of 130375 is 573031.

It is not a de Polignac number, because 130375 - 23 = 130367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (11700).

2130375 is an apocalyptic number.

130375 is a deficient number, since it is larger than the sum of its proper divisors (56825).

130375 is an equidigital number, since it uses as much as digits as its factorization.

130375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 130375 is about 361.0747844976. The cubic root of 130375 is about 50.7066330165.

It can be divided in two parts, 1303 and 75, that added together give a triangular number (1378 = T52).

The spelling of 130375 in words is "one hundred thirty thousand, three hundred seventy-five".

Divisors: 1 5 7 25 35 125 149 175 745 875 1043 3725 5215 18625 26075 130375