Base | Representation |
---|---|
bin | 110011001100… |
… | …011000010010 |
3 | 221020210211220 |
4 | 303030120102 |
5 | 11413420200 |
6 | 1155345510 |
7 | 222032340 |
oct | 63143022 |
9 | 27223756 |
10 | 13420050 |
11 | 7636756 |
12 | 45b2296 |
13 | 2a1b477 |
14 | 1ad4990 |
15 | 12a14a0 |
hex | ccc612 |
13420050 has 48 divisors (see below), whose sum is σ = 38039232. Its totient is φ = 3067200.
The previous prime is 13420049. The next prime is 13420067. The reversal of 13420050 is 5002431.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5341 + ... + 7440.
It is an arithmetic number, because the mean of its divisors is an integer number (792484).
Almost surely, 213420050 is an apocalyptic number.
13420050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13420050 is an abundant number, since it is smaller than the sum of its proper divisors (24619182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13420050 is a wasteful number, since it uses less digits than its factorization.
13420050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12803 (or 12798 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 13420050 is about 3663.3386411851. The cubic root of 13420050 is about 237.6391797331.
Adding to 13420050 its reverse (5002431), we get a palindrome (18422481).
The spelling of 13420050 in words is "thirteen million, four hundred twenty thousand, fifty".
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