Base | Representation |
---|---|
bin | 111001011101… |
… | …0100101010011 |
3 | 2002200110212110 |
4 | 1302322211103 |
5 | 30202434441 |
6 | 2553400403 |
7 | 514024104 |
oct | 162724523 |
9 | 62613773 |
10 | 30124371 |
11 | 16005982 |
12 | a109103 |
13 | 6319794 |
14 | 40023ab |
15 | 29a0b16 |
hex | 1cba953 |
30124371 has 4 divisors (see below), whose sum is σ = 40165832. Its totient is φ = 20082912.
The previous prime is 30124363. The next prime is 30124379. The reversal of 30124371 is 17342103.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (30124363) and next prime (30124379).
It is not a de Polignac number, because 30124371 - 23 = 30124363 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30124379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020726 + ... + 5020731.
It is an arithmetic number, because the mean of its divisors is an integer number (10041458).
Almost surely, 230124371 is an apocalyptic number.
30124371 is a deficient number, since it is larger than the sum of its proper divisors (10041461).
30124371 is a wasteful number, since it uses less digits than its factorization.
30124371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10041460.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 30124371 is about 5488.5672993961. The cubic root of 30124371 is about 311.1520470463.
Adding to 30124371 its reverse (17342103), we get a palindrome (47466474).
The spelling of 30124371 in words is "thirty million, one hundred twenty-four thousand, three hundred seventy-one".
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