Base | Representation |
---|---|
bin | 111001111110… |
… | …1001011001111 |
3 | 2010012100000211 |
4 | 1303331023033 |
5 | 30240202020 |
6 | 3003303251 |
7 | 516241246 |
oct | 163751317 |
9 | 63170024 |
10 | 30397135 |
11 | 161818aa |
12 | a21ab27 |
13 | 63b3992 |
14 | 407395d |
15 | 2a0685a |
hex | 1cfd2cf |
30397135 has 4 divisors (see below), whose sum is σ = 36476568. Its totient is φ = 24317704.
The previous prime is 30397121. The next prime is 30397141. The reversal of 30397135 is 53179303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30397135 - 217 = 30266063 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30397097 and 30397106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039709 + ... + 3039718.
It is an arithmetic number, because the mean of its divisors is an integer number (9119142).
Almost surely, 230397135 is an apocalyptic number.
30397135 is a deficient number, since it is larger than the sum of its proper divisors (6079433).
30397135 is an equidigital number, since it uses as much as digits as its factorization.
30397135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6079432.
The product of its (nonzero) digits is 8505, while the sum is 31.
The square root of 30397135 is about 5513.3596835324. The cubic root of 30397135 is about 312.0883454344.
The spelling of 30397135 in words is "thirty million, three hundred ninety-seven thousand, one hundred thirty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •