Base | Representation |
---|---|
bin | 111010000100… |
… | …0111101100110 |
3 | 2010021210020221 |
4 | 1310020331212 |
5 | 30243223124 |
6 | 3004314554 |
7 | 516532066 |
oct | 164107546 |
9 | 63253227 |
10 | 30445414 |
11 | 162050aa |
12 | a242a5a |
13 | 63cc94c |
14 | 40873a6 |
15 | 2a15ce4 |
hex | 1d08f66 |
30445414 has 4 divisors (see below), whose sum is σ = 45668124. Its totient is φ = 15222706.
The previous prime is 30445397. The next prime is 30445417. The reversal of 30445414 is 41454403.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30445417) 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 as a sum of consecutive naturals, namely, 7611352 + ... + 7611355.
It is an arithmetic number, because the mean of its divisors is an integer number (11417031).
Almost surely, 230445414 is an apocalyptic number.
30445414 is a deficient number, since it is larger than the sum of its proper divisors (15222710).
30445414 is a wasteful number, since it uses less digits than its factorization.
30445414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15222709.
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 30445414 is about 5517.7363112059. The cubic root of 30445414 is about 312.2534853755.
Adding to 30445414 its reverse (41454403), we get a palindrome (71899817).
The spelling of 30445414 in words is "thirty million, four hundred forty-five thousand, four hundred fourteen".
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