Base | Representation |
---|---|
bin | 111001010000… |
… | …0001111001101 |
3 | 2002110222211210 |
4 | 1302200033031 |
5 | 30141011321 |
6 | 2551205033 |
7 | 513064356 |
oct | 162401715 |
9 | 62428753 |
10 | 30016461 |
11 | 15a418a2 |
12 | a076779 |
13 | 62ac627 |
14 | 3db4d2d |
15 | 297db76 |
hex | 1ca03cd |
30016461 has 4 divisors (see below), whose sum is σ = 40021952. Its totient is φ = 20010972.
The previous prime is 30016439. The next prime is 30016487. The reversal of 30016461 is 16461003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 30016461 - 29 = 30015949 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 (30016411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002741 + ... + 5002746.
It is an arithmetic number, because the mean of its divisors is an integer number (10005488).
Almost surely, 230016461 is an apocalyptic number.
It is an amenable number.
30016461 is a deficient number, since it is larger than the sum of its proper divisors (10005491).
30016461 is a wasteful number, since it uses less digits than its factorization.
30016461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10005490.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 30016461 is about 5478.7280458150. The cubic root of 30016461 is about 310.7800714866.
Adding to 30016461 its reverse (16461003), we get a palindrome (46477464).
It can be divided in two parts, 300 and 16461, that added together give a palindrome (16761).
The spelling of 30016461 in words is "thirty million, sixteen thousand, four hundred sixty-one".
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