Base | Representation |
---|---|
bin | 111100011100001… |
… | …0101010011011000 |
3 | 12020100002202121020 |
4 | 1320320111103120 |
5 | 13123134030430 |
6 | 533123442440 |
7 | 101153666232 |
oct | 17070252330 |
9 | 5210082536 |
10 | 2028033240 |
11 | 950854432 |
12 | 487226420 |
13 | 26421108c |
14 | 1534b5252 |
15 | bd09db10 |
hex | 78e154d8 |
2028033240 has 64 divisors (see below), whose sum is σ = 6087160800. Its totient is φ = 540536832.
The previous prime is 2028033157. The next prime is 2028033247. The reversal of 2028033240 is 423308202.
It is a super-2 number, since 2×20280332402 = 8225837645089795200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 2028033240.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028033247) 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, 377614 + ... + 382946.
Almost surely, 22028033240 is an apocalyptic number.
2028033240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2028033240 is an abundant number, since it is smaller than the sum of its proper divisors (4059127560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028033240 is a wasteful number, since it uses less digits than its factorization.
2028033240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8516 (or 8512 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 2028033240 is about 45033.6900553352. The cubic root of 2028033240 is about 1265.7803701469.
The spelling of 2028033240 in words is "two billion, twenty-eight million, thirty-three thousand, two hundred forty".
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