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13424155 = 537149487
BaseRepresentation
bin110011001101…
…011000011011
3221021000110221
4303031120123
511414033110
61155420511
7222050323
oct63153033
927230427
1013424155
117639848
1245b4737
132a202b4
141ad6283
1512a27da
hexccd61b

13424155 has 16 divisors (see below), whose sum is σ = 16689600. Its totient is φ = 10357632.

The previous prime is 13424153. The next prime is 13424161. The reversal of 13424155 is 55142431.

It is a happy number.

13424155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13424155 - 21 = 13424153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13424153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27322 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (1043100).

Almost surely, 213424155 is an apocalyptic number.

13424155 is a deficient number, since it is larger than the sum of its proper divisors (3265445).

13424155 is a wasteful number, since it uses less digits than its factorization.

13424155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 2400, while the sum is 25.

The square root of 13424155 is about 3663.8988796090. The cubic root of 13424155 is about 237.6634073971.

Adding to 13424155 its reverse (55142431), we get a palindrome (68566586).

The spelling of 13424155 in words is "thirteen million, four hundred twenty-four thousand, one hundred fifty-five".

Divisors: 1 5 37 149 185 487 745 2435 5513 18019 27565 72563 90095 362815 2684831 13424155