Base | Representation |
---|---|
bin | 111010001111… |
… | …0110110100000 |
3 | 2010110100020121 |
4 | 1310132312200 |
5 | 30304110242 |
6 | 3010250024 |
7 | 520354351 |
oct | 164366640 |
9 | 63410217 |
10 | 30535072 |
11 | 162664a7 |
12 | a286914 |
13 | 64316b9 |
14 | 40abd28 |
15 | 2a32667 |
hex | 1d1eda0 |
30535072 has 12 divisors (see below), whose sum is σ = 60115986. Its totient is φ = 15267520.
The previous prime is 30535067. The next prime is 30535079. The reversal of 30535072 is 27053503.
It can be written as a sum of positive squares in only one way, i.e., 24561936 + 5973136 = 4956^2 + 2444^2 .
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (30535079) 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 as a sum of consecutive naturals, namely, 477079 + ... + 477142.
Almost surely, 230535072 is an apocalyptic number.
30535072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30535072 is a deficient number, since it is larger than the sum of its proper divisors (29580914).
30535072 is an equidigital number, since it uses as much as digits as its factorization.
30535072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 954231 (or 954223 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 25.
The square root of 30535072 is about 5525.8548659913. The cubic root of 30535072 is about 312.5597010205.
Adding to 30535072 its reverse (27053503), we get a palindrome (57588575).
The spelling of 30535072 in words is "thirty million, five hundred thirty-five thousand, seventy-two".
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