Base | Representation |
---|---|
bin | 111001101000… |
… | …0111101000000 |
3 | 2002212010120010 |
4 | 1303100331000 |
5 | 30213403000 |
6 | 2555344520 |
7 | 514555203 |
oct | 163207500 |
9 | 62763503 |
10 | 30216000 |
11 | 16068801 |
12 | a152140 |
13 | 634c3b9 |
14 | 402793a |
15 | 29bcd50 |
hex | 1cd0f40 |
30216000 has 112 divisors (see below), whose sum is σ = 99852480. Its totient is φ = 8051200.
The previous prime is 30215993. The next prime is 30216029. The reversal of 30216000 is 61203.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23371 + ... + 24629.
It is an arithmetic number, because the mean of its divisors is an integer number (891540).
Almost surely, 230216000 is an apocalyptic number.
30216000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49926240).
30216000 is an abundant number, since it is smaller than the sum of its proper divisors (69636480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30216000 is a wasteful number, since it uses less digits than its factorization.
30216000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1289 (or 1269 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 30216000 is about 5496.9082219007. The cubic root of 30216000 is about 311.4672037558.
Adding to 30216000 its reverse (61203), we get a palindrome (30277203).
The spelling of 30216000 in words is "thirty million, two hundred sixteen thousand".
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