Base | Representation |
---|---|
bin | 111101110000… |
… | …101110110001 |
3 | 1010110120000220 |
4 | 331300232301 |
5 | 13121043020 |
6 | 1335003253 |
7 | 254421201 |
oct | 75605661 |
9 | 33416026 |
10 | 16190385 |
11 | 9159092 |
12 | 5509529 |
13 | 347b413 |
14 | 2216401 |
15 | 164c240 |
hex | f70bb1 |
16190385 has 8 divisors (see below), whose sum is σ = 25904640. Its totient is φ = 8634864.
The previous prime is 16190359. The next prime is 16190389. The reversal of 16190385 is 58309161.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 16190385 - 28 = 16190129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16190389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539665 + ... + 539694.
It is an arithmetic number, because the mean of its divisors is an integer number (3238080).
Almost surely, 216190385 is an apocalyptic number.
16190385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16190385 is a deficient number, since it is larger than the sum of its proper divisors (9714255).
16190385 is a wasteful number, since it uses less digits than its factorization.
16190385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1079367.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 16190385 is about 4023.7277492395. The cubic root of 16190385 is about 252.9797303930.
The spelling of 16190385 in words is "sixteen million, one hundred ninety thousand, three hundred eighty-five".
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