Base | Representation |
---|---|
bin | 111010101100… |
… | …1010011100100 |
3 | 2010220111200022 |
4 | 1311121103210 |
5 | 30334241000 |
6 | 3015334312 |
7 | 522402401 |
oct | 165312344 |
9 | 63814608 |
10 | 30774500 |
11 | 1640a379 |
12 | a381398 |
13 | 64b6683 |
14 | 41312a8 |
15 | 2a7d585 |
hex | 1d594e4 |
30774500 has 48 divisors (see below), whose sum is σ = 68381040. Its totient is φ = 12096000.
The previous prime is 30774463. The next prime is 30774517. The reversal of 30774500 is 547703.
It can be written as a sum of positive squares in 8 ways, for example, as 21977344 + 8797156 = 4688^2 + 2966^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30774500.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 29996 + ... + 31004.
It is an arithmetic number, because the mean of its divisors is an integer number (1424605).
Almost surely, 230774500 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30774500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34190520).
30774500 is an abundant number, since it is smaller than the sum of its proper divisors (37606540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30774500 is a wasteful number, since it uses less digits than its factorization.
30774500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1089 (or 1077 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 26.
The square root of 30774500 is about 5547.4769039627. The cubic root of 30774500 is about 313.3745104578.
The spelling of 30774500 in words is "thirty million, seven hundred seventy-four thousand, five hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •