Base | Representation |
---|---|
bin | 111101111001010000101 |
3 | 10211001010020 |
4 | 13233022011 |
5 | 1004400130 |
6 | 111245353 |
7 | 23145006 |
oct | 7571205 |
9 | 3731106 |
10 | 2028165 |
11 | 1165877 |
12 | 819859 |
13 | 5601c9 |
14 | 3ab1ad |
15 | 2a0e10 |
hex | 1ef285 |
2028165 has 8 divisors (see below), whose sum is σ = 3245088. Its totient is φ = 1081680.
The previous prime is 2028139. The next prime is 2028179. The reversal of 2028165 is 5618202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2028165 - 26 = 2028101 is a prime.
It is a super-2 number, since 2×20281652 = 8226906534450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67591 + ... + 67620.
It is an arithmetic number, because the mean of its divisors is an integer number (405636).
22028165 is an apocalyptic number.
It is an amenable number.
2028165 is a deficient number, since it is larger than the sum of its proper divisors (1216923).
2028165 is a wasteful number, since it uses less digits than its factorization.
2028165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135219.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 2028165 is about 1424.1365805287. The cubic root of 2028165 is about 126.5807781862.
The spelling of 2028165 in words is "two million, twenty-eight thousand, one hundred sixty-five".
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