Base | Representation |
---|---|
bin | 111001101010… |
… | …0100000001100 |
3 | 2002212212111122 |
4 | 1303110200030 |
5 | 30214334130 |
6 | 2555540112 |
7 | 514645454 |
oct | 163244014 |
9 | 62785448 |
10 | 30230540 |
11 | 1607871a |
12 | a15a638 |
13 | 6355bc2 |
14 | 402cd64 |
15 | 29c22e5 |
hex | 1cd480c |
30230540 has 12 divisors (see below), whose sum is σ = 63484176. Its totient is φ = 12092208.
The previous prime is 30230527. The next prime is 30230587. The reversal of 30230540 is 4503203.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755744 + ... + 755783.
It is an arithmetic number, because the mean of its divisors is an integer number (5290348).
Almost surely, 230230540 is an apocalyptic number.
It is an amenable number.
30230540 is an abundant number, since it is smaller than the sum of its proper divisors (33253636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230540 is a wasteful number, since it uses less digits than its factorization.
30230540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1511536 (or 1511534 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 17.
The square root of 30230540 is about 5498.2306244828. The cubic root of 30230540 is about 311.5171552928.
Adding to 30230540 its reverse (4503203), we get a palindrome (34733743).
The spelling of 30230540 in words is "thirty million, two hundred thirty thousand, five hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •