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13210 = 251321
BaseRepresentation
bin11001110011010
3200010021
43032122
5410320
6141054
753341
oct31632
920107
1013210
119a1a
12778a
136022
144b58
153daa
hex339a

13210 has 8 divisors (see below), whose sum is σ = 23796. Its totient is φ = 5280.

The previous prime is 13187. The next prime is 13217. The reversal of 13210 is 1231.

It can be written as a sum of positive squares in 2 ways, for example, as 12769 + 441 = 113^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13193 and 13202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651 + ... + 670.

213210 is an apocalyptic number.

13210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13210 is a deficient number, since it is larger than the sum of its proper divisors (10586).

13210 is a wasteful number, since it uses less digits than its factorization.

13210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 13210 is about 114.9347641056. The cubic root of 13210 is about 23.6392815118.

Adding to 13210 its reverse (1231), we get a palindrome (14441).

The spelling of 13210 in words is "thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 1321 2642 6605 13210