Base | Representation |
---|---|
bin | 111001010010… |
… | …1001101011001 |
3 | 2002112000210000 |
4 | 1302211031121 |
5 | 30142134300 |
6 | 2551443213 |
7 | 513210630 |
oct | 162451531 |
9 | 62460700 |
10 | 30036825 |
11 | 15a56125 |
12 | a086509 |
13 | 62b8990 |
14 | 3dbc517 |
15 | 2984c00 |
hex | 1ca5359 |
30036825 has 120 divisors (see below), whose sum is σ = 68898368. Its totient is φ = 12597120.
The previous prime is 30036823. The next prime is 30036829. The reversal of 30036825 is 52863003.
It is not a de Polignac number, because 30036825 - 21 = 30036823 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30036823) 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 119 ways as a sum of consecutive naturals, for example, 184194 + ... + 184356.
Almost surely, 230036825 is an apocalyptic number.
30036825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30036825 is an abundant number, since it is smaller than the sum of its proper divisors (38861543).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30036825 is a wasteful number, since it uses less digits than its factorization.
30036825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205 (or 191 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 30036825 is about 5480.5861912755. The cubic root of 30036825 is about 310.8503362071.
Adding to 30036825 its reverse (52863003), we get a palindrome (82899828).
The spelling of 30036825 in words is "thirty million, thirty-six thousand, eight hundred twenty-five".
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