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13453124 = 229734673
BaseRepresentation
bin110011010100…
…011101000100
3221022111012212
4303110131010
511420444444
61200202552
7222230636
oct63243504
927274185
1013453124
117659593
124609458
132a30539
141b02a56
1512ab19e
hexcd4744

13453124 has 12 divisors (see below), whose sum is σ = 23786364. Its totient is φ = 6657024.

The previous prime is 13453117. The next prime is 13453127. The reversal of 13453124 is 42135431.

It can be written as a sum of positive squares in 2 ways, for example, as 3097600 + 10355524 = 1760^2 + 3218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13453124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453127) 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, 16949 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (1982197).

Almost surely, 213453124 is an apocalyptic number.

It is an amenable number.

13453124 is a deficient number, since it is larger than the sum of its proper divisors (10333240).

13453124 is a wasteful number, since it uses less digits than its factorization.

13453124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34774 (or 34772 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 13453124 is about 3667.8500514607. The cubic root of 13453124 is about 237.8342418547.

Adding to 13453124 its reverse (42135431), we get a palindrome (55588555).

The spelling of 13453124 in words is "thirteen million, four hundred fifty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 97 194 388 34673 69346 138692 3363281 6726562 13453124