Base | Representation |
---|---|
bin | 111101111000… |
… | …000001010101 |
3 | 1010112001222211 |
4 | 331320001111 |
5 | 13123021440 |
6 | 1335353421 |
7 | 254604226 |
oct | 75700125 |
9 | 33461884 |
10 | 16220245 |
11 | 9179568 |
12 | 5522871 |
13 | 348bba2 |
14 | 222324d |
15 | 1655eea |
hex | f78055 |
16220245 has 16 divisors (see below), whose sum is σ = 20465280. Its totient is φ = 12325824.
The previous prime is 16220233. The next prime is 16220249. The reversal of 16220245 is 54202261.
16220245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 16220245 - 221 = 14123093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16220249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6936 + ... + 8974.
It is an arithmetic number, because the mean of its divisors is an integer number (1279080).
Almost surely, 216220245 is an apocalyptic number.
It is an amenable number.
16220245 is a deficient number, since it is larger than the sum of its proper divisors (4245035).
16220245 is a wasteful number, since it uses less digits than its factorization.
16220245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2124.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 16220245 is about 4027.4365296054. The cubic root of 16220245 is about 253.1351587652.
The spelling of 16220245 in words is "sixteen million, two hundred twenty thousand, two hundred forty-five".
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