Base | Representation |
---|---|
bin | 110011100001… |
… | …001000011000 |
3 | 221102010102222 |
4 | 303201020120 |
5 | 11424130143 |
6 | 1201243212 |
7 | 222535214 |
oct | 63411030 |
9 | 27363388 |
10 | 13505048 |
11 | 76945a7 |
12 | 4633508 |
13 | 2a4b06b |
14 | 1b17944 |
15 | 12bb768 |
hex | ce1218 |
13505048 has 32 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 6117408.
The previous prime is 13505033. The next prime is 13505059. The reversal of 13505048 is 84050531.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 5427.
It is an arithmetic number, because the mean of its divisors is an integer number (869400).
Almost surely, 213505048 is an apocalyptic number.
It is an amenable number.
13505048 is an abundant number, since it is smaller than the sum of its proper divisors (14315752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13505048 is a wasteful number, since it uses less digits than its factorization.
13505048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3911 (or 3907 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 13505048 is about 3674.9214957601. The cubic root of 13505048 is about 238.1398326172.
Adding to 13505048 its reverse (84050531), we get a palindrome (97555579).
The spelling of 13505048 in words is "thirteen million, five hundred five thousand, forty-eight".
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