Base | Representation |
---|---|
bin | 111001101000… |
… | …0111101110110 |
3 | 2002212010122010 |
4 | 1303100331312 |
5 | 30213403204 |
6 | 2555345050 |
7 | 514555311 |
oct | 163207566 |
9 | 62763563 |
10 | 30216054 |
11 | 16068850 |
12 | a152186 |
13 | 634c42b |
14 | 4027978 |
15 | 29bcd89 |
hex | 1cd0f76 |
30216054 has 32 divisors (see below), whose sum is σ = 66253824. Its totient is φ = 9110880.
The previous prime is 30216049. The next prime is 30216077. The reversal of 30216054 is 45061203.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30216054.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13692 + ... + 15744.
It is an arithmetic number, because the mean of its divisors is an integer number (2070432).
Almost surely, 230216054 is an apocalyptic number.
30216054 is an abundant number, since it is smaller than the sum of its proper divisors (36037770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30216054 is a wasteful number, since it uses less digits than its factorization.
30216054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2292.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 30216054 is about 5496.9131337506. The cubic root of 30216054 is about 311.4673893001.
Adding to 30216054 its reverse (45061203), we get a palindrome (75277257).
The spelling of 30216054 in words is "thirty million, two hundred sixteen thousand, fifty-four".
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