Base | Representation |
---|---|
bin | 111001110101… |
… | …1000111010010 |
3 | 2010001120112210 |
4 | 1303223013102 |
5 | 30230320104 |
6 | 3001532550 |
7 | 515512461 |
oct | 163530722 |
9 | 63046483 |
10 | 30323154 |
11 | 16131264 |
12 | a1a4156 |
13 | 63890c4 |
14 | 40549d8 |
15 | 29de989 |
hex | 1ceb1d2 |
30323154 has 32 divisors (see below), whose sum is σ = 65473920. Its totient is φ = 9333632.
The previous prime is 30323143. The next prime is 30323171. The reversal of 30323154 is 45132303.
It is a self number, because there is not a number n which added to its sum of digits gives 30323154.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214 + ... + 7790.
It is an arithmetic number, because the mean of its divisors is an integer number (2046060).
Almost surely, 230323154 is an apocalyptic number.
30323154 is an abundant number, since it is smaller than the sum of its proper divisors (35150766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323154 is a wasteful number, since it uses less digits than its factorization.
30323154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7634.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 30323154 is about 5506.6463478237. The cubic root of 30323154 is about 311.8349513302.
Adding to 30323154 its reverse (45132303), we get a palindrome (75455457).
The spelling of 30323154 in words is "thirty million, three hundred twenty-three thousand, one hundred fifty-four".
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