Base | Representation |
---|---|
bin | 111010001101… |
… | …0001111000000 |
3 | 2010102101022011 |
4 | 1310122033000 |
5 | 30303004120 |
6 | 3010022304 |
7 | 520245253 |
oct | 164321700 |
9 | 63371264 |
10 | 30516160 |
11 | 16253274 |
12 | a277994 |
13 | 6425bcc |
14 | 40a509a |
15 | 2a2bc5a |
hex | 1d1a3c0 |
30516160 has 56 divisors (see below), whose sum is σ = 74249280. Its totient is φ = 11940864.
The previous prime is 30516151. The next prime is 30516163. The reversal of 30516160 is 6161503.
It is a super-2 number, since 2×305161602 = 1862472042291200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30516163) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 14026 + ... + 16054.
It is an arithmetic number, because the mean of its divisors is an integer number (1325880).
Almost surely, 230516160 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30516160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37124640).
30516160 is an abundant number, since it is smaller than the sum of its proper divisors (43733120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30516160 is a wasteful number, since it uses less digits than its factorization.
30516160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2093 (or 2083 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 30516160 is about 5524.1433725058. The cubic root of 30516160 is about 312.4951593917.
Adding to 30516160 its reverse (6161503), we get a palindrome (36677663).
The spelling of 30516160 in words is "thirty million, five hundred sixteen thousand, one hundred sixty".
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