Base | Representation |
---|---|
bin | 111001100000… |
… | …1010011001010 |
3 | 2002201212121101 |
4 | 1303001103022 |
5 | 30204330012 |
6 | 2554132014 |
7 | 514200235 |
oct | 163012312 |
9 | 62655541 |
10 | 30151882 |
11 | 16024612 |
12 | a12100a |
13 | 6329167 |
14 | 400c41c |
15 | 29a8d57 |
hex | 1cc14ca |
30151882 has 8 divisors (see below), whose sum is σ = 45269316. Its totient is φ = 15062112.
The previous prime is 30151867. The next prime is 30151921. The reversal of 30151882 is 28815103.
It can be written as a sum of positive squares in 2 ways, for example, as 28611801 + 1540081 = 5349^2 + 1241^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30151882.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 3933 + ... + 8704.
Almost surely, 230151882 is an apocalyptic number.
30151882 is a deficient number, since it is larger than the sum of its proper divisors (15117434).
30151882 is a wasteful number, since it uses less digits than its factorization.
30151882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13832.
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 30151882 is about 5491.0729370497. The cubic root of 30151882 is about 311.2467378141.
Adding to 30151882 its reverse (28815103), we get a palindrome (58966985).
The spelling of 30151882 in words is "thirty million, one hundred fifty-one thousand, eight hundred eighty-two".
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