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130708 = 2241797
BaseRepresentation
bin11111111010010100
320122022001
4133322110
513140313
62445044
71053034
oct377224
9218261
10130708
118a226
1263784
1347656
14358c4
1528add
hex1fe94

130708 has 12 divisors (see below), whose sum is σ = 234612. Its totient is φ = 63680.

The previous prime is 130699. The next prime is 130729. The reversal of 130708 is 807031.

It can be written as a sum of positive squares in 2 ways, for example, as 29584 + 101124 = 172^2 + 318^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235 + ... + 562.

It is an arithmetic number, because the mean of its divisors is an integer number (19551).

2130708 is an apocalyptic number.

It is an amenable number.

130708 is a deficient number, since it is larger than the sum of its proper divisors (103904).

130708 is a wasteful number, since it uses less digits than its factorization.

130708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 130708 is about 361.5356137367. The cubic root of 130708 is about 50.7497674446.

Adding to 130708 its reverse (807031), we get a palindrome (937739).

It can be divided in two parts, 130 and 708, that added together give a palindrome (838).

The spelling of 130708 in words is "one hundred thirty thousand, seven hundred eight".

Divisors: 1 2 4 41 82 164 797 1594 3188 32677 65354 130708