Base | Representation |
---|---|
bin | 1001000011000110… |
… | …1010011100000011 |
3 | 20021021110211112012 |
4 | 2100301222130003 |
5 | 14433302003422 |
6 | 1041004323135 |
7 | 114122426600 |
oct | 22061523403 |
9 | 6237424465 |
10 | 2428937987 |
11 | 1037088073 |
12 | 5795434ab |
13 | 2c92ab418 |
14 | 1908336a7 |
15 | e33904e2 |
hex | 90c6a703 |
2428937987 has 6 divisors (see below), whose sum is σ = 2825499348. Its totient is φ = 2081946804.
The previous prime is 2428937983. The next prime is 2428937989. The reversal of 2428937987 is 7897398242.
It is not a de Polignac number, because 2428937987 - 22 = 2428937983 is a prime.
It is a super-2 number, since 2×24289379872 = 11799479489383224338, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2428937981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24785033 + ... + 24785130.
It is an arithmetic number, because the mean of its divisors is an integer number (470916558).
Almost surely, 22428937987 is an apocalyptic number.
2428937987 is a deficient number, since it is larger than the sum of its proper divisors (396561361).
2428937987 is an equidigital number, since it uses as much as digits as its factorization.
2428937987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49570177 (or 49570170 counting only the distinct ones).
The product of its digits is 12192768, while the sum is 59.
The square root of 2428937987 is about 49284.2569894282. The cubic root of 2428937987 is about 1344.2255390450.
The spelling of 2428937987 in words is "two billion, four hundred twenty-eight million, nine hundred thirty-seven thousand, nine hundred eighty-seven".
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