Base | Representation |
---|---|
bin | 111001011011… |
… | …1010111111000 |
3 | 2002122210211112 |
4 | 1302313113320 |
5 | 30202024344 |
6 | 2553215452 |
7 | 513640553 |
oct | 162672770 |
9 | 62583745 |
10 | 30111224 |
11 | 15aa7010 |
12 | a101588 |
13 | 63137c0 |
14 | 3ddb69a |
15 | 299bc9e |
hex | 1cb75f8 |
30111224 has 32 divisors (see below), whose sum is σ = 66331440. Its totient is φ = 12633600.
The previous prime is 30111217. The next prime is 30111239. The reversal of 30111224 is 42211103.
It is a junction number, because it is equal to n+sod(n) for n = 30111199 and 30111208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12017 + ... + 14304.
Almost surely, 230111224 is an apocalyptic number.
It is an amenable number.
30111224 is an abundant number, since it is smaller than the sum of its proper divisors (36220216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111224 is a wasteful number, since it uses less digits than its factorization.
30111224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26351 (or 26347 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 30111224 is about 5487.3694973093. The cubic root of 30111224 is about 311.1067757143.
Adding to 30111224 its reverse (42211103), we get a palindrome (72322327).
The spelling of 30111224 in words is "thirty million, one hundred eleven thousand, two hundred twenty-four".
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