Base | Representation |
---|---|
bin | 1100001010010… |
… | …11010011001101 |
3 | 21002222011112200 |
4 | 12011023103031 |
5 | 202104122201 |
6 | 14042352113 |
7 | 2346105165 |
oct | 605132315 |
9 | 232864480 |
10 | 102020301 |
11 | 526513a9 |
12 | 2a1bb639 |
13 | 181a0256 |
14 | d7995a5 |
15 | 8e53386 |
hex | 614b4cd |
102020301 has 12 divisors (see below), whose sum is σ = 148424640. Its totient is φ = 67523400.
The previous prime is 102020299. The next prime is 102020323. The reversal of 102020301 is 103020201.
It is a happy number.
It is not a de Polignac number, because 102020301 - 21 = 102020299 is a prime.
It is a super-2 number, since 2×1020203012 = 20816283632261202, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102020371) 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 11 ways as a sum of consecutive naturals, for example, 39525 + ... + 42026.
It is an arithmetic number, because the mean of its divisors is an integer number (12368720).
Almost surely, 2102020301 is an apocalyptic number.
It is an amenable number.
102020301 is a deficient number, since it is larger than the sum of its proper divisors (46404339).
102020301 is a wasteful number, since it uses less digits than its factorization.
102020301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81696 (or 81693 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 102020301 is about 10100.5099376220. The cubic root of 102020301 is about 467.2638684739.
Adding to 102020301 its reverse (103020201), we get a palindrome (205040502).
It can be divided in two parts, 1020 and 20301, that added together give a triangular number (21321 = T206).
The spelling of 102020301 in words is "one hundred two million, twenty thousand, three hundred one".
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