Base | Representation |
---|---|
bin | 111010000110… |
… | …0110010001111 |
3 | 2010022120201211 |
4 | 1310030302033 |
5 | 30244223241 |
6 | 3004515251 |
7 | 516625534 |
oct | 164146217 |
9 | 63276654 |
10 | 30461071 |
11 | 16215943 |
12 | a24bb27 |
13 | 6406b04 |
14 | 408cd8b |
15 | 2a1a781 |
hex | 1d0cc8f |
30461071 has 8 divisors (see below), whose sum is σ = 31450320. Its totient is φ = 29484672.
The previous prime is 30461063. The next prime is 30461087. The reversal of 30461071 is 17016403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30461071 - 23 = 30461063 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30462071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725 + ... + 7993.
It is an arithmetic number, because the mean of its divisors is an integer number (3931290).
Almost surely, 230461071 is an apocalyptic number.
30461071 is a deficient number, since it is larger than the sum of its proper divisors (989249).
30461071 is a wasteful number, since it uses less digits than its factorization.
30461071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6425.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 30461071 is about 5519.1549171952. The cubic root of 30461071 is about 312.3070031783.
Adding to 30461071 its reverse (17016403), we get a palindrome (47477474).
The spelling of 30461071 in words is "thirty million, four hundred sixty-one thousand, seventy-one".
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