Base | Representation |
---|---|
bin | 111101111000… |
… | …111011101110 |
3 | 1010112021010020 |
4 | 331320323232 |
5 | 13123131412 |
6 | 1335423010 |
7 | 254621145 |
oct | 75707356 |
9 | 33467106 |
10 | 16223982 |
11 | 9181355 |
12 | 5524a66 |
13 | 34907b8 |
14 | 222475c |
15 | 165718c |
hex | f78eee |
16223982 has 32 divisors (see below), whose sum is σ = 33685632. Its totient is φ = 5205024.
The previous prime is 16223959. The next prime is 16224017. The reversal of 16223982 is 28932261.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23413 + ... + 24095.
It is an arithmetic number, because the mean of its divisors is an integer number (1052676).
Almost surely, 216223982 is an apocalyptic number.
16223982 is an abundant number, since it is smaller than the sum of its proper divisors (17461650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16223982 is a wasteful number, since it uses less digits than its factorization.
16223982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 832.
The product of its digits is 10368, while the sum is 33.
The square root of 16223982 is about 4027.9004456416. The cubic root of 16223982 is about 253.1545973012.
It can be divided in two parts, 16223 and 982, that added together give a triangular number (17205 = T185).
The spelling of 16223982 in words is "sixteen million, two hundred twenty-three thousand, nine hundred eighty-two".
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