Base | Representation |
---|---|
bin | 111010000000… |
… | …0110101011000 |
3 | 2010020002120211 |
4 | 1310000311120 |
5 | 30241141440 |
6 | 3003500504 |
7 | 516333034 |
oct | 164006530 |
9 | 63202524 |
10 | 30412120 |
11 | 16192092 |
12 | a227734 |
13 | 63ba74b |
14 | 40791c4 |
15 | 2a0aeea |
hex | 1d00d58 |
30412120 has 32 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 12136960.
The previous prime is 30412111. The next prime is 30412159. The reversal of 30412120 is 2121403.
It is a self number, because there is not a number n which added to its sum of digits gives 30412120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34080 + ... + 34960.
It is an arithmetic number, because the mean of its divisors is an integer number (2143260).
Almost surely, 230412120 is an apocalyptic number.
It is an amenable number.
30412120 is an abundant number, since it is smaller than the sum of its proper divisors (38172200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30412120 is a wasteful number, since it uses less digits than its factorization.
30412120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1755 (or 1751 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 30412120 is about 5514.7184878287. The cubic root of 30412120 is about 312.1396208324.
Adding to 30412120 its reverse (2121403), we get a palindrome (32533523).
The spelling of 30412120 in words is "thirty million, four hundred twelve thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •