Base | Representation |
---|---|
bin | 110100011011… |
… | …110011101001 |
3 | 221212100010100 |
4 | 310123303221 |
5 | 12004323020 |
6 | 1210340013 |
7 | 224556003 |
oct | 64336351 |
9 | 27770110 |
10 | 13745385 |
11 | 7839125 |
12 | 472a609 |
13 | 2b03584 |
14 | 1b7b373 |
15 | 1317a90 |
hex | d1bce9 |
13745385 has 48 divisors (see below), whose sum is σ = 24950016. Its totient is φ = 6994944.
The previous prime is 13745377. The next prime is 13745419. The reversal of 13745385 is 58354731.
It is not a de Polignac number, because 13745385 - 23 = 13745377 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141657 + ... + 141753.
It is an arithmetic number, because the mean of its divisors is an integer number (519792).
Almost surely, 213745385 is an apocalyptic number.
13745385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13745385 is a deficient number, since it is larger than the sum of its proper divisors (11204631).
13745385 is a wasteful number, since it uses less digits than its factorization.
13745385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222 (or 219 counting only the distinct ones).
The product of its digits is 50400, while the sum is 36.
The square root of 13745385 is about 3707.4769048505. The cubic root of 13745385 is about 239.5441869416.
The spelling of 13745385 in words is "thirteen million, seven hundred forty-five thousand, three hundred eighty-five".
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