Base | Representation |
---|---|
bin | 111001011110… |
… | …0111111100100 |
3 | 2002200222102010 |
4 | 1302330333210 |
5 | 30203243434 |
6 | 2553514220 |
7 | 514064640 |
oct | 162747744 |
9 | 62628363 |
10 | 30134244 |
11 | 16012338 |
12 | a112970 |
13 | 632111a |
14 | 4005c20 |
15 | 29a39e9 |
hex | 1cbcfe4 |
30134244 has 48 divisors (see below), whose sum is σ = 81689216. Its totient is φ = 8467200.
The previous prime is 30134239. The next prime is 30134267. The reversal of 30134244 is 44243103.
It is a super-2 number, since 2×301342442 = 1816145322903072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 30134244.
It is a congruent number.
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, 2184 + ... + 8064.
Almost surely, 230134244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30134244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40844608).
30134244 is an abundant number, since it is smaller than the sum of its proper divisors (51554972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30134244 is a wasteful number, since it uses less digits than its factorization.
30134244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5956 (or 5954 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 30134244 is about 5489.4666407585. The cubic root of 30134244 is about 311.1860357905.
Adding to 30134244 its reverse (44243103), we get a palindrome (74377347).
The spelling of 30134244 in words is "thirty million, one hundred thirty-four thousand, two hundred forty-four".
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