Base | Representation |
---|---|
bin | 111001101100… |
… | …1110011011111 |
3 | 2002220222021220 |
4 | 1303121303133 |
5 | 30221033010 |
6 | 3000224423 |
7 | 515065665 |
oct | 163316337 |
9 | 62828256 |
10 | 30252255 |
11 | 16092a70 |
12 | a16b113 |
13 | 6362a57 |
14 | 4036c35 |
15 | 29c8970 |
hex | 1cd9cdf |
30252255 has 48 divisors (see below), whose sum is σ = 54601344. Its totient is φ = 14182720.
The previous prime is 30252251. The next prime is 30252269. The reversal of 30252255 is 55225203.
It is not a de Polignac number, because 30252255 - 22 = 30252251 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30252251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364444 + ... + 364526.
It is an arithmetic number, because the mean of its divisors is an integer number (1137528).
Almost surely, 230252255 is an apocalyptic number.
30252255 is a deficient number, since it is larger than the sum of its proper divisors (24349089).
30252255 is a wasteful number, since it uses less digits than its factorization.
30252255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 30252255 is about 5500.2049961797. The cubic root of 30252255 is about 311.5917264160.
Adding to 30252255 its reverse (55225203), we get a palindrome (85477458).
The spelling of 30252255 in words is "thirty million, two hundred fifty-two thousand, two hundred fifty-five".
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