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130716 = 22323631
BaseRepresentation
bin11111111010011100
320122022100
4133322130
513140331
62445100
71053045
oct377234
9218270
10130716
118a233
1263790
1347661
14358cc
1528ae6
hex1fe9c

130716 has 18 divisors (see below), whose sum is σ = 330512. Its totient is φ = 43560.

The previous prime is 130699. The next prime is 130729. The reversal of 130716 is 617031.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

130716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1780 + ... + 1851.

2130716 is an apocalyptic number.

It is an amenable number.

130716 is an abundant number, since it is smaller than the sum of its proper divisors (199796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130716 is a wasteful number, since it uses less digits than its factorization.

130716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 130716 is about 361.5466774844. The cubic root of 130716 is about 50.7508028055.

Adding to 130716 its reverse (617031), we get a palindrome (747747).

The spelling of 130716 in words is "one hundred thirty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 3631 7262 10893 14524 21786 32679 43572 65358 130716