Base | Representation |
---|---|
bin | 1100001010010… |
… | …00011001000100 |
3 | 21002221120012110 |
4 | 12011020121010 |
5 | 202103232023 |
6 | 14042221020 |
7 | 2346025356 |
oct | 605103104 |
9 | 232846173 |
10 | 102008388 |
11 | 52643459 |
12 | 2a1b4770 |
13 | 181979c1 |
14 | d7950d6 |
15 | 8e4ea93 |
hex | 6148644 |
102008388 has 12 divisors (see below), whose sum is σ = 238019600. Its totient is φ = 34002792.
The previous prime is 102008363. The next prime is 102008437. The reversal of 102008388 is 883800201.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×1020083882 = 20811422444717088, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250338 + ... + 4250361.
Almost surely, 2102008388 is an apocalyptic number.
It is an amenable number.
102008388 is an abundant number, since it is smaller than the sum of its proper divisors (136011212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102008388 is a wasteful number, since it uses less digits than its factorization.
102008388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8500706 (or 8500704 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 102008388 is about 10099.9201977045. The cubic root of 102008388 is about 467.2456801620.
Adding to 102008388 its reverse (883800201), we get a palindrome (985808589).
The spelling of 102008388 in words is "one hundred two million, eight thousand, three hundred eighty-eight".
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