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130916 = 22231423
BaseRepresentation
bin11111111101100100
320122120202
4133331210
513142131
62450032
71053452
oct377544
9218522
10130916
118a3a5
1263918
1347786
14359d2
1528bcb
hex1ff64

130916 has 12 divisors (see below), whose sum is σ = 239232. Its totient is φ = 62568.

The previous prime is 130873. The next prime is 130927. The reversal of 130916 is 619031.

It is a congruent number.

It is an unprimeable number.

130916 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 3 ways as a sum of consecutive naturals, for example, 620 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (19936).

2130916 is an apocalyptic number.

It is an amenable number.

130916 is a deficient number, since it is larger than the sum of its proper divisors (108316).

130916 is a wasteful number, since it uses less digits than its factorization.

130916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 130916 is about 361.8231612266. The cubic root of 130916 is about 50.7766731102.

Adding to 130916 its reverse (619031), we get a palindrome (749947).

The spelling of 130916 in words is "one hundred thirty thousand, nine hundred sixteen".

Divisors: 1 2 4 23 46 92 1423 2846 5692 32729 65458 130916