Base | Representation |
---|---|
bin | 111001110010… |
… | …1100001010110 |
3 | 2010000102010100 |
4 | 1303211201112 |
5 | 30224101441 |
6 | 3001234530 |
7 | 515355624 |
oct | 163454126 |
9 | 63012110 |
10 | 30300246 |
11 | 16116029 |
12 | a192a46 |
13 | 637b852 |
14 | 404a514 |
15 | 29d7cb6 |
hex | 1ce5856 |
30300246 has 24 divisors (see below), whose sum is σ = 68505840. Its totient is φ = 9660816.
The previous prime is 30300241. The next prime is 30300247. The reversal of 30300246 is 64200303.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30300241) 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, 36181 + ... + 37008.
It is an arithmetic number, because the mean of its divisors is an integer number (2854410).
Almost surely, 230300246 is an apocalyptic number.
30300246 is an abundant number, since it is smaller than the sum of its proper divisors (38205594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30300246 is a wasteful number, since it uses less digits than its factorization.
30300246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73220 (or 73217 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 30300246 is about 5504.5659229407. The cubic root of 30300246 is about 311.7564050296.
Adding to 30300246 its reverse (64200303), we get a palindrome (94500549).
The spelling of 30300246 in words is "thirty million, three hundred thousand, two hundred forty-six".
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