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13144310 = 2531109389
BaseRepresentation
bin110010001001…
…000011110110
3220201210121022
4302021003312
511331104220
61145421142
7216503414
oct62110366
926653538
1013144310
117468573
12449a7b2
132952aca
141a622b4
151249925
hexc890f6

13144310 has 32 divisors (see below), whose sum is σ = 24710400. Its totient is φ = 5028480.

The previous prime is 13144297. The next prime is 13144319. The reversal of 13144310 is 1344131.

It is a super-2 number, since 2×131443102 = 345545770752200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 33596 + ... + 33984.

It is an arithmetic number, because the mean of its divisors is an integer number (772200).

Almost surely, 213144310 is an apocalyptic number.

13144310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13144310 is a deficient number, since it is larger than the sum of its proper divisors (11566090).

13144310 is a wasteful number, since it uses less digits than its factorization.

13144310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13144310 is about 3625.5082402334. The cubic root of 13144310 is about 236.0003231826. Note that the first 3 decimals are identical.

Adding to 13144310 its reverse (1344131), we get a palindrome (14488441).

The spelling of 13144310 in words is "thirteen million, one hundred forty-four thousand, three hundred ten".

Divisors: 1 2 5 10 31 62 109 155 218 310 389 545 778 1090 1945 3379 3890 6758 12059 16895 24118 33790 42401 60295 84802 120590 212005 424010 1314431 2628862 6572155 13144310