Base | Representation |
---|---|
bin | 111001101001… |
… | …1111000100011 |
3 | 2002212202000200 |
4 | 1303103320203 |
5 | 30214244003 |
6 | 2555520243 |
7 | 514635201 |
oct | 163237043 |
9 | 62782020 |
10 | 30228003 |
11 | 16076823 |
12 | a159083 |
13 | 63549c0 |
14 | 402c071 |
15 | 29c16a3 |
hex | 1cd3e23 |
30228003 has 48 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 17341632.
The previous prime is 30227999. The next prime is 30228041. The reversal of 30228003 is 30082203.
It is a Cunningham number, because it is equal to 54982-1.
It is not a de Polignac number, because 30228003 - 22 = 30227999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30228053) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126358 + ... + 126596.
It is an arithmetic number, because the mean of its divisors is an integer number (1048320).
Almost surely, 230228003 is an apocalyptic number.
30228003 is a deficient number, since it is larger than the sum of its proper divisors (20091357).
30228003 is a wasteful number, since it uses less digits than its factorization.
30228003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328 (or 325 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 30228003 is about 5497.9999090578. Note that the first 4 decimals coincide. The cubic root of 30228003 is about 311.5084406934.
It can be divided in two parts, 3022 and 8003, that added together give a square (11025 = 1052).
The spelling of 30228003 in words is "thirty million, two hundred twenty-eight thousand, three".
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