Base | Representation |
---|---|
bin | 111001011110… |
… | …0011101110110 |
3 | 2002200212110012 |
4 | 1302330131312 |
5 | 30203211321 |
6 | 2553500222 |
7 | 514055435 |
oct | 162743566 |
9 | 62625405 |
10 | 30132086 |
11 | 16010756 |
12 | a111672 |
13 | 632014a |
14 | 400511c |
15 | 29a305b |
hex | 1cbc776 |
30132086 has 4 divisors (see below), whose sum is σ = 45198132. Its totient is φ = 15066042.
The previous prime is 30132079. The next prime is 30132103. The reversal of 30132086 is 68023103.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×301320862 = 1815885213422792, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7533020 + ... + 7533023.
It is an arithmetic number, because the mean of its divisors is an integer number (11299533).
Almost surely, 230132086 is an apocalyptic number.
30132086 is a deficient number, since it is larger than the sum of its proper divisors (15066046).
30132086 is a wasteful number, since it uses less digits than its factorization.
30132086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15066045.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 30132086 is about 5489.2700789814. The cubic root of 30132086 is about 311.1786073037.
Adding to 30132086 its reverse (68023103), we get a palindrome (98155189).
The spelling of 30132086 in words is "thirty million, one hundred thirty-two thousand, eighty-six".
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