Base | Representation |
---|---|
bin | 111010000000… |
… | …1010101101111 |
3 | 2010020012102112 |
4 | 1310001111233 |
5 | 30241223231 |
6 | 3003514235 |
7 | 516342053 |
oct | 164012557 |
9 | 63205375 |
10 | 30414191 |
11 | 161936a5 |
12 | a22897b |
13 | 63bb682 |
14 | 4079c63 |
15 | 2a0b92b |
hex | 1d0156f |
30414191 has 4 divisors (see below), whose sum is σ = 30427800. Its totient is φ = 30400584.
The previous prime is 30414157. The next prime is 30414221. The reversal of 30414191 is 19141403.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30414191 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 (30414101) 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 3 ways as a sum of consecutive naturals, for example, 2576 + ... + 8213.
It is an arithmetic number, because the mean of its divisors is an integer number (7606950).
Almost surely, 230414191 is an apocalyptic number.
30414191 is a deficient number, since it is larger than the sum of its proper divisors (13609).
30414191 is a wasteful number, since it uses less digits than its factorization.
30414191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13608.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 30414191 is about 5514.9062548696. The cubic root of 30414191 is about 312.1467060173.
Adding to 30414191 its reverse (19141403), we get a palindrome (49555594).
The spelling of 30414191 in words is "thirty million, four hundred fourteen thousand, one hundred ninety-one".
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