Base | Representation |
---|---|
bin | 111010000000… |
… | …1110111111100 |
3 | 2010020022102121 |
4 | 1310001313330 |
5 | 30241311010 |
6 | 3003532324 |
7 | 516351331 |
oct | 164016774 |
9 | 63208377 |
10 | 30416380 |
11 | 16195305 |
12 | a22a0a4 |
13 | 63bc677 |
14 | 407a988 |
15 | 2a0c3da |
hex | 1d01dfc |
30416380 has 24 divisors (see below), whose sum is σ = 64037232. Its totient is φ = 12135552.
The previous prime is 30416371. The next prime is 30416381. The reversal of 30416380 is 8361403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30416381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144 + ... + 10576.
It is an arithmetic number, because the mean of its divisors is an integer number (2668218).
Almost surely, 230416380 is an apocalyptic number.
It is an amenable number.
30416380 is an abundant number, since it is smaller than the sum of its proper divisors (33620852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30416380 is a wasteful number, since it uses less digits than its factorization.
30416380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3885 (or 3883 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 30416380 is about 5515.1047134211. The cubic root of 30416380 is about 312.1541945473.
Adding to 30416380 its reverse (8361403), we get a palindrome (38777783).
The spelling of 30416380 in words is "thirty million, four hundred sixteen thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •