Base | Representation |
---|---|
bin | 111101111000… |
… | …110010000001 |
3 | 1010112020021020 |
4 | 331320302001 |
5 | 13123121421 |
6 | 1335420053 |
7 | 254616300 |
oct | 75706201 |
9 | 33466236 |
10 | 16223361 |
11 | 9180940 |
12 | 5524629 |
13 | 349042b |
14 | 2224437 |
15 | 1656dc6 |
hex | f78c81 |
16223361 has 48 divisors (see below), whose sum is σ = 28016640. Its totient is φ = 8255520.
The previous prime is 16223351. The next prime is 16223369. The reversal of 16223361 is 16332261.
It is a happy number.
16223361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 16223361 - 25 = 16223329 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16223369) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127680 + ... + 127806.
It is an arithmetic number, because the mean of its divisors is an integer number (583680).
Almost surely, 216223361 is an apocalyptic number.
16223361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
16223361 is a deficient number, since it is larger than the sum of its proper divisors (11793279).
16223361 is a wasteful number, since it uses less digits than its factorization.
16223361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234 (or 227 counting only the distinct ones).
The product of its digits is 1296, while the sum is 24.
The square root of 16223361 is about 4027.8233575965. The cubic root of 16223361 is about 253.1513672884.
Subtracting 16223361 from its reverse (16332261), we obtain a square (108900 = 3302).
The spelling of 16223361 in words is "sixteen million, two hundred twenty-three thousand, three hundred sixty-one".
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