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13144324 = 223788813
BaseRepresentation
bin110010001001…
…000100000100
3220201210121211
4302021010010
511331104244
61145421204
7216503434
oct62110404
926653554
1013144324
117468586
12449a804
132952b0b
141a622c4
151249934
hexc89104

13144324 has 12 divisors (see below), whose sum is σ = 23624524. Its totient is φ = 6394464.

The previous prime is 13144319. The next prime is 13144331. The reversal of 13144324 is 42344131.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 399424 = 3570^2 + 632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13144295 and 13144304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44259 + ... + 44554.

Almost surely, 213144324 is an apocalyptic number.

It is an amenable number.

13144324 is a deficient number, since it is larger than the sum of its proper divisors (10480200).

13144324 is a wasteful number, since it uses less digits than its factorization.

13144324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88854 (or 88852 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 13144324 is about 3625.5101709966. The cubic root of 13144324 is about 236.0004069705. Note that the first 3 decimals are identical.

Adding to 13144324 its reverse (42344131), we get a palindrome (55488455).

The spelling of 13144324 in words is "thirteen million, one hundred forty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 37 74 148 88813 177626 355252 3286081 6572162 13144324