Base | Representation |
---|---|
bin | 111100011100110… |
… | …0110001011101000 |
3 | 12020100201121000212 |
4 | 1320321212023220 |
5 | 13123230131040 |
6 | 533134520252 |
7 | 101156546120 |
oct | 17071461350 |
9 | 5210647025 |
10 | 2028364520 |
11 | 950a60316 |
12 | 487366088 |
13 | 2642c8ac0 |
14 | 15355dc80 |
15 | bd116d65 |
hex | 78e662e8 |
2028364520 has 128 divisors (see below), whose sum is σ = 5947603200. Its totient is φ = 604164096.
The previous prime is 2028364519. The next prime is 2028364529. The reversal of 2028364520 is 254638202.
It is a super-2 number, since 2×20283645202 = 8228525251989660800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2028364529) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45491 + ... + 78269.
It is an arithmetic number, because the mean of its divisors is an integer number (46465650).
Almost surely, 22028364520 is an apocalyptic number.
2028364520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2028364520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973801600).
2028364520 is an abundant number, since it is smaller than the sum of its proper divisors (3919238680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028364520 is a wasteful number, since it uses less digits than its factorization.
2028364520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32827 (or 32823 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
The square root of 2028364520 is about 45037.3680403285. The cubic root of 2028364520 is about 1265.8492882958.
The spelling of 2028364520 in words is "two billion, twenty-eight million, three hundred sixty-four thousand, five hundred twenty".
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