Base | Representation |
---|---|
bin | 10001111101000… |
… | …010000101110100 |
3 | 202222210011012202 |
4 | 101331002011310 |
5 | 1104102241040 |
6 | 45520004032 |
7 | 10315155104 |
oct | 2175020564 |
9 | 688704182 |
10 | 301212020 |
11 | 14503205a |
12 | 84a60618 |
13 | 4a533685 |
14 | 2c00b204 |
15 | 1b69d015 |
hex | 11f42174 |
301212020 has 24 divisors (see below), whose sum is σ = 632923368. Its totient is φ = 120412800.
The previous prime is 301212013. The next prime is 301212097. The reversal of 301212020 is 20212103.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 41422096 + 259789924 = 6436^2 + 16118^2 .
It is a junction number, because it is equal to n+sod(n) for n = 301211992 and 301212010.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 41030 + ... + 47810.
It is an arithmetic number, because the mean of its divisors is an integer number (26371807).
Almost surely, 2301212020 is an apocalyptic number.
It is an amenable number.
301212020 is an abundant number, since it is smaller than the sum of its proper divisors (331711348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
301212020 is a wasteful number, since it uses less digits than its factorization.
301212020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9011 (or 9009 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 301212020 is about 17355.4608120902. The cubic root of 301212020 is about 670.3332566514. Note that the first 3 decimals are identical.
Adding to 301212020 its reverse (20212103), we get a palindrome (321424123).
The spelling of 301212020 in words is "three hundred one million, two hundred twelve thousand, twenty".
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