Base | Representation |
---|---|
bin | 110011001101… |
… | …001110011000 |
3 | 221020222121010 |
4 | 303031032120 |
5 | 11414023022 |
6 | 1155413520 |
7 | 222045414 |
oct | 63151630 |
9 | 27228533 |
10 | 13423512 |
11 | 7639313 |
12 | 45b42a0 |
13 | 2a1cc0b |
14 | 1ad5d44 |
15 | 12a250c |
hex | ccd398 |
13423512 has 16 divisors (see below), whose sum is σ = 33558840. Its totient is φ = 4474496.
The previous prime is 13423511. The next prime is 13423537. The reversal of 13423512 is 21532431.
13423512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13423511) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279633 + ... + 279680.
Almost surely, 213423512 is an apocalyptic number.
13423512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13423512 is an abundant number, since it is smaller than the sum of its proper divisors (20135328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13423512 is a wasteful number, since it uses less digits than its factorization.
13423512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559322 (or 559318 counting only the distinct ones).
The product of its digits is 720, while the sum is 21.
The square root of 13423512 is about 3663.8111305033. The cubic root of 13423512 is about 237.6596127446.
Adding to 13423512 its reverse (21532431), we get a palindrome (34955943).
The spelling of 13423512 in words is "thirteen million, four hundred twenty-three thousand, five hundred twelve".
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