Base | Representation |
---|---|
bin | 111001001110… |
… | …1000001011000 |
3 | 2002110022202220 |
4 | 1302131001120 |
5 | 30140101123 |
6 | 2551024040 |
7 | 513011100 |
oct | 162350130 |
9 | 62408686 |
10 | 30003288 |
11 | 15a32a07 |
12 | a06b020 |
13 | 62a6633 |
14 | 3db0200 |
15 | 2979ce3 |
hex | 1c9d058 |
30003288 has 96 divisors (see below), whose sum is σ = 90178560. Its totient is φ = 8285760.
The previous prime is 30003269. The next prime is 30003301. The reversal of 30003288 is 88230003.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36045 + ... + 36867.
It is an arithmetic number, because the mean of its divisors is an integer number (939360).
Almost surely, 230003288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30003288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45089280).
30003288 is an abundant number, since it is smaller than the sum of its proper divisors (60175272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30003288 is a wasteful number, since it uses less digits than its factorization.
30003288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 877 (or 866 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 30003288 is about 5477.5257187895. The cubic root of 30003288 is about 310.7346019368.
The spelling of 30003288 in words is "thirty million, three thousand, two hundred eighty-eight".
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