Search a number
-
+
130148 = 2232537
BaseRepresentation
bin11111110001100100
320121112022
4133301210
513131043
62442312
71051304
oct376144
9217468
10130148
1189867
1263398
1347315
1435604
1528868
hex1fc64

130148 has 6 divisors (see below), whose sum is σ = 227766. Its totient is φ = 65072.

The previous prime is 130147. The next prime is 130171. The reversal of 130148 is 841031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68644 + 61504 = 262^2 + 248^2 .

It is not an unprimeable number, because it can be changed into a prime (130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16265 + ... + 16272.

It is an arithmetic number, because the mean of its divisors is an integer number (37961).

2130148 is an apocalyptic number.

It is an amenable number.

130148 is a deficient number, since it is larger than the sum of its proper divisors (97618).

130148 is a wasteful number, since it uses less digits than its factorization.

130148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32541 (or 32539 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 130148 is about 360.7603082380. The cubic root of 130148 is about 50.6771869506.

Adding to 130148 its reverse (841031), we get a palindrome (971179).

The spelling of 130148 in words is "one hundred thirty thousand, one hundred forty-eight".

Divisors: 1 2 4 32537 65074 130148