Base | Representation |
---|---|
bin | 111001101001… |
… | …0111011111100 |
3 | 2002212112201000 |
4 | 1303102323330 |
5 | 30214132444 |
6 | 2555450300 |
7 | 514620660 |
oct | 163227374 |
9 | 62775630 |
10 | 30224124 |
11 | 16073917 |
12 | a156990 |
13 | 6352cc8 |
14 | 402a8a0 |
15 | 29c0469 |
hex | 1cd2efc |
30224124 has 48 divisors (see below), whose sum is σ = 89555200. Its totient is φ = 8635248.
The previous prime is 30224123. The next prime is 30224143. The reversal of 30224124 is 42142203.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30224097 and 30224106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30224123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19234 + ... + 20745.
Almost surely, 230224124 is an apocalyptic number.
It is an amenable number.
30224124 is an abundant number, since it is smaller than the sum of its proper divisors (59331076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30224124 is a wasteful number, since it uses less digits than its factorization.
30224124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39999 (or 39991 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 30224124 is about 5497.6471330925. The cubic root of 30224124 is about 311.4951153790.
Adding to 30224124 its reverse (42142203), we get a palindrome (72366327).
The spelling of 30224124 in words is "thirty million, two hundred twenty-four thousand, one hundred twenty-four".
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