Base | Representation |
---|---|
bin | 111101111001101111011 |
3 | 10211001110100 |
4 | 13233031323 |
5 | 1004402121 |
6 | 111250443 |
7 | 23145510 |
oct | 7571573 |
9 | 3731410 |
10 | 2028411 |
11 | 1165a80 |
12 | 819a23 |
13 | 560358 |
14 | 3ab307 |
15 | 2a1026 |
hex | 1ef37b |
2028411 has 24 divisors (see below), whose sum is σ = 3654144. Its totient is φ = 1053360.
The previous prime is 2028401. The next prime is 2028413. The reversal of 2028411 is 1148202.
It is not a de Polignac number, because 2028411 - 29 = 2027899 is a prime.
It is a super-2 number, since 2×20284112 = 8228902369842, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028413) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771 + ... + 2156.
It is an arithmetic number, because the mean of its divisors is an integer number (152256).
22028411 is an apocalyptic number.
2028411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2028411 is a deficient number, since it is larger than the sum of its proper divisors (1625733).
2028411 is a wasteful number, since it uses less digits than its factorization.
2028411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2951 (or 2948 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 2028411 is about 1424.2229460306. Note that the first 3 decimals coincide. The cubic root of 2028411 is about 126.5858957206.
The spelling of 2028411 in words is "two million, twenty-eight thousand, four hundred eleven".
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