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13144316 = 2223142873
BaseRepresentation
bin110010001001…
…000011111100
3220201210121112
4302021003330
511331104231
61145421152
7216503423
oct62110374
926653545
1013144316
117468579
12449a7b8
132952b03
141a622ba
15124992b
hexc890fc

13144316 has 12 divisors (see below), whose sum is σ = 24002832. Its totient is φ = 6286368.

The previous prime is 13144297. The next prime is 13144319. The reversal of 13144316 is 61344131.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 13144291 and 13144300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144319) by changing a digit.

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, 71345 + ... + 71528.

It is an arithmetic number, because the mean of its divisors is an integer number (2000236).

Almost surely, 213144316 is an apocalyptic number.

It is an amenable number.

13144316 is a deficient number, since it is larger than the sum of its proper divisors (10858516).

13144316 is a wasteful number, since it uses less digits than its factorization.

13144316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142900 (or 142898 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 13144316 is about 3625.5090677035. The cubic root of 13144316 is about 236.0003590917. Note that the first 3 decimals are identical.

Adding to 13144316 its reverse (61344131), we get a palindrome (74488447).

The spelling of 13144316 in words is "thirteen million, one hundred forty-four thousand, three hundred sixteen".

Divisors: 1 2 4 23 46 92 142873 285746 571492 3286079 6572158 13144316