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13424719 = 711174347
BaseRepresentation
bin110011001101…
…100001001111
3221021001020211
4303031201033
511414042334
61155423251
7222052060
oct63154117
927231224
1013424719
11763a210
1245b4b27
132a20629
141ad6567
1512a2a64
hexccd84f

13424719 has 8 divisors (see below), whose sum is σ = 16737408. Its totient is φ = 10460760.

The previous prime is 13424699. The next prime is 13424731. The reversal of 13424719 is 91742431.

13424719 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13424719 - 25 = 13424687 is a prime.

It is a super-2 number, since 2×134247192 = 360446160457922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424119) 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 7 ways as a sum of consecutive naturals, for example, 87097 + ... + 87250.

It is an arithmetic number, because the mean of its divisors is an integer number (2092176).

Almost surely, 213424719 is an apocalyptic number.

13424719 is a deficient number, since it is larger than the sum of its proper divisors (3312689).

13424719 is a wasteful number, since it uses less digits than its factorization.

13424719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174365.

The product of its digits is 6048, while the sum is 31.

The square root of 13424719 is about 3663.9758459903. The cubic root of 13424719 is about 237.6667357328. Note that the first 3 decimals are identical.

The spelling of 13424719 in words is "thirteen million, four hundred twenty-four thousand, seven hundred nineteen".

Divisors: 1 7 11 77 174347 1220429 1917817 13424719