Base | Representation |
---|---|
bin | 111001110001… |
… | …0100011101000 |
3 | 2002222210110122 |
4 | 1303202203220 |
5 | 30223204404 |
6 | 3001102412 |
7 | 515305340 |
oct | 163424350 |
9 | 62883418 |
10 | 30288104 |
11 | 161079a0 |
12 | a187a08 |
13 | 6376172 |
14 | 4045d20 |
15 | 29d43be |
hex | 1ce28e8 |
30288104 has 32 divisors (see below), whose sum is σ = 70804800. Its totient is φ = 11800320.
The previous prime is 30288061. The next prime is 30288113. The reversal of 30288104 is 40188203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23969 + ... + 25200.
It is an arithmetic number, because the mean of its divisors is an integer number (2212650).
Almost surely, 230288104 is an apocalyptic number.
It is an amenable number.
30288104 is an abundant number, since it is smaller than the sum of its proper divisors (40516696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30288104 is a wasteful number, since it uses less digits than its factorization.
30288104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49193 (or 49189 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 30288104 is about 5503.4629098414. The cubic root of 30288104 is about 311.7147568308.
Subtracting 30288104 from its reverse (40188203), we obtain a palindrome (9900099).
The spelling of 30288104 in words is "thirty million, two hundred eighty-eight thousand, one hundred four".
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