Base | Representation |
---|---|
bin | 111010001100… |
… | …0000100000000 |
3 | 2010101221002200 |
4 | 1310120010000 |
5 | 30302213024 |
6 | 3005513200 |
7 | 520210314 |
oct | 164300400 |
9 | 63357080 |
10 | 30507264 |
11 | 16247617 |
12 | a272800 |
13 | 6421b48 |
14 | 40a1b44 |
15 | 2a292c9 |
hex | 1d18100 |
30507264 has 54 divisors (see below), whose sum is σ = 87966606. Its totient is φ = 10168320.
The previous prime is 30507263. The next prime is 30507271. The reversal of 30507264 is 46270503.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 30470400 + 36864 = 5520^2 + 192^2 .
It is a super-3 number, since 3×305072643 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30507263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4317 + ... + 8924.
Almost surely, 230507264 is an apocalyptic number.
It is an amenable number.
30507264 is an abundant number, since it is smaller than the sum of its proper divisors (57459342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30507264 is a wasteful number, since it uses less digits than its factorization.
30507264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13263 (or 13246 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 30507264 is about 5523.3381211003. The cubic root of 30507264 is about 312.4647904864.
Adding to 30507264 its reverse (46270503), we get a palindrome (76777767).
The spelling of 30507264 in words is "thirty million, five hundred seven thousand, two hundred sixty-four".
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