Base | Representation |
---|---|
bin | 111101001000… |
… | …010110111100 |
3 | 1010011011012021 |
4 | 331020112330 |
5 | 13100300040 |
6 | 1331245524 |
7 | 253132114 |
oct | 75102674 |
9 | 33134167 |
10 | 16025020 |
11 | 9055920 |
12 | 54498a4 |
13 | 342107b |
14 | 21b2044 |
15 | 161824a |
hex | f485bc |
16025020 has 48 divisors (see below), whose sum is σ = 38320128. Its totient is φ = 5572160.
The previous prime is 16025017. The next prime is 16025039. The reversal of 16025020 is 2052061.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 16024985 and 16025003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477 + ... + 6643.
It is an arithmetic number, because the mean of its divisors is an integer number (798336).
Almost surely, 216025020 is an apocalyptic number.
16025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16025020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19160064).
16025020 is an abundant number, since it is smaller than the sum of its proper divisors (22295108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16025020 is a wasteful number, since it uses less digits than its factorization.
16025020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3210 (or 3208 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 16025020 is about 4003.1262782980. The cubic root of 16025020 is about 252.1154883433.
Adding to 16025020 its reverse (2052061), we get a palindrome (18077081).
The spelling of 16025020 in words is "sixteen million, twenty-five thousand, twenty".
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