Base | Representation |
---|---|
bin | 111001011011… |
… | …1011100000110 |
3 | 2002122211012112 |
4 | 1302313130012 |
5 | 30202031434 |
6 | 2553221022 |
7 | 513641420 |
oct | 162673406 |
9 | 62584175 |
10 | 30111494 |
11 | 15aa7236 |
12 | a101772 |
13 | 631396a |
14 | 3ddb810 |
15 | 299bdce |
hex | 1cb7706 |
30111494 has 8 divisors (see below), whose sum is σ = 51619728. Its totient is φ = 12904920.
The previous prime is 30111469. The next prime is 30111511. The reversal of 30111494 is 49411103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075397 + ... + 1075424.
It is an arithmetic number, because the mean of its divisors is an integer number (6452466).
Almost surely, 230111494 is an apocalyptic number.
30111494 is a deficient number, since it is larger than the sum of its proper divisors (21508234).
30111494 is a wasteful number, since it uses less digits than its factorization.
30111494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2150830.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 30111494 is about 5487.3940992059. The cubic root of 30111494 is about 311.1077055844.
Adding to 30111494 its reverse (49411103), we get a palindrome (79522597).
The spelling of 30111494 in words is "thirty million, one hundred eleven thousand, four hundred ninety-four".
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