Base | Representation |
---|---|
bin | 111001011110… |
… | …0100100111011 |
3 | 2002200220001222 |
4 | 1302330210323 |
5 | 30203220124 |
6 | 2553502255 |
7 | 514056653 |
oct | 162744473 |
9 | 62626058 |
10 | 30132539 |
11 | 16011028 |
12 | a11198b |
13 | 6320408 |
14 | 4005363 |
15 | 29a325e |
hex | 1cbc93b |
30132539 has 8 divisors (see below), whose sum is σ = 30847920. Its totient is φ = 29424096.
The previous prime is 30132497. The next prime is 30132577. The reversal of 30132539 is 93523103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30132539 - 212 = 30128443 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30131539) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7637 + ... + 10889.
It is an arithmetic number, because the mean of its divisors is an integer number (3855990).
Almost surely, 230132539 is an apocalyptic number.
30132539 is a deficient number, since it is larger than the sum of its proper divisors (715381).
30132539 is a wasteful number, since it uses less digits than its factorization.
30132539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3469.
The product of its (nonzero) digits is 2430, while the sum is 26.
The square root of 30132539 is about 5489.3113411429. The cubic root of 30132539 is about 311.1801666957.
The spelling of 30132539 in words is "thirty million, one hundred thirty-two thousand, five hundred thirty-nine".
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