Base | Representation |
---|---|
bin | 111001010101… |
… | …1111110111100 |
3 | 2002120102211200 |
4 | 1302223332330 |
5 | 30144031242 |
6 | 2552215500 |
7 | 513354546 |
oct | 162537674 |
9 | 62512750 |
10 | 30064572 |
11 | 15a74a5a |
12 | a09a590 |
13 | 62c84b5 |
14 | 3dc8696 |
15 | 298d04c |
hex | 1cabfbc |
30064572 has 36 divisors (see below), whose sum is σ = 78053976. Its totient is φ = 9750240.
The previous prime is 30064549. The next prime is 30064577. The reversal of 30064572 is 27546003.
It is a happy number.
30064572 is a `hidden beast` number, since 30 + 0 + 64 + 572 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30064577) 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 11 ways as a sum of consecutive naturals, for example, 9954 + ... + 12617.
It is an arithmetic number, because the mean of its divisors is an integer number (2168166).
Almost surely, 230064572 is an apocalyptic number.
It is an amenable number.
30064572 is an abundant number, since it is smaller than the sum of its proper divisors (47989404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30064572 is a wasteful number, since it uses less digits than its factorization.
30064572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22618 (or 22613 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 30064572 is about 5483.1169967456. The cubic root of 30064572 is about 310.9460244138.
Subtracting from 30064572 its reverse (27546003), we obtain a square (2518569 = 15872).
The spelling of 30064572 in words is "thirty million, sixty-four thousand, five hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •