Search a number
-
+
13513424 = 247910691
BaseRepresentation
bin110011100011…
…001011010000
3221102112221012
4303203023100
511424412144
61201350052
7222601511
oct63431320
927375835
1013513424
11769a921
124638328
132a51b12
141b1aa08
1512bde9e
hexce32d0

13513424 has 20 divisors (see below), whose sum is σ = 26516160. Its totient is φ = 6670560.

The previous prime is 13513421. The next prime is 13513429. The reversal of 13513424 is 42431531.

It is a super-2 number, since 2×135134242 = 365225256407552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13513424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513421) 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, 4082 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (1325808).

Almost surely, 213513424 is an apocalyptic number.

It is an amenable number.

13513424 is a deficient number, since it is larger than the sum of its proper divisors (13002736).

13513424 is a wasteful number, since it uses less digits than its factorization.

13513424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778 (or 10772 counting only the distinct ones).

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

The square root of 13513424 is about 3676.0609352947. The cubic root of 13513424 is about 238.1890548786.

Adding to 13513424 its reverse (42431531), we get a palindrome (55944955).

The spelling of 13513424 in words is "thirteen million, five hundred thirteen thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 79 158 316 632 1264 10691 21382 42764 85528 171056 844589 1689178 3378356 6756712 13513424