Base | Representation |
---|---|
bin | 110001100101… |
… | …111110000010 |
3 | 220110111102220 |
4 | 301211332002 |
5 | 11312004303 |
6 | 1142351510 |
7 | 215334363 |
oct | 61457602 |
9 | 26414386 |
10 | 13000578 |
11 | 737a588 |
12 | 442b596 |
13 | 2902566 |
14 | 1a25b6a |
15 | 121c053 |
hex | c65f82 |
13000578 has 8 divisors (see below), whose sum is σ = 26001168. Its totient is φ = 4333524.
The previous prime is 13000553. The next prime is 13000583. The reversal of 13000578 is 87500031.
13000578 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
13000578 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083376 + ... + 1083387.
It is an arithmetic number, because the mean of its divisors is an integer number (3250146).
Almost surely, 213000578 is an apocalyptic number.
13000578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13000578 is a wasteful number, since it uses less digits than its factorization.
13000578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2166768.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 13000578 is about 3605.6314287514. The cubic root of 13000578 is about 235.1369535190.
The spelling of 13000578 in words is "thirteen million, five hundred seventy-eight", and thus it is an aban number.
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