Base | Representation |
---|---|
bin | 111010011001… |
… | …0101000010110 |
3 | 2010121110101010 |
4 | 1310302220112 |
5 | 30314203321 |
6 | 3012113050 |
7 | 521142504 |
oct | 164625026 |
9 | 63543333 |
10 | 30616086 |
11 | 16311356 |
12 | a305786 |
13 | 645c537 |
14 | 40cd674 |
15 | 2a4b676 |
hex | 1d32a16 |
30616086 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 9775584.
The previous prime is 30616081. The next prime is 30616097. The reversal of 30616086 is 68061603.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30616081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12555 + ... + 14793.
It is an arithmetic number, because the mean of its divisors is an integer number (1995840).
Almost surely, 230616086 is an apocalyptic number.
30616086 is an abundant number, since it is smaller than the sum of its proper divisors (33250794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30616086 is a wasteful number, since it uses less digits than its factorization.
30616086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2340.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 30616086 is about 5533.1804597356. The cubic root of 30616086 is about 312.8358790768.
Adding to 30616086 its reverse (68061603), we get a palindrome (98677689).
The spelling of 30616086 in words is "thirty million, six hundred sixteen thousand, eighty-six".
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