Base | Representation |
---|---|
bin | 111001011110… |
… | …1110111100101 |
3 | 2002201011022220 |
4 | 1302331313211 |
5 | 30203402304 |
6 | 2553542553 |
7 | 514111251 |
oct | 162756745 |
9 | 62634286 |
10 | 30137829 |
11 | 16014aa7 |
12 | a114a59 |
13 | 6322947 |
14 | 4007261 |
15 | 29a4ad9 |
hex | 1cbdde5 |
30137829 has 8 divisors (see below), whose sum is σ = 41164032. Its totient is φ = 19601760.
The previous prime is 30137791. The next prime is 30137837. The reversal of 30137829 is 92873103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30137829 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30137829.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30137839) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 122389 + ... + 122634.
It is an arithmetic number, because the mean of its divisors is an integer number (5145504).
Almost surely, 230137829 is an apocalyptic number.
It is an amenable number.
30137829 is a deficient number, since it is larger than the sum of its proper divisors (11026203).
30137829 is a wasteful number, since it uses less digits than its factorization.
30137829 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245067.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 30137829 is about 5489.7931655027. The cubic root of 30137829 is about 311.1983756576.
The spelling of 30137829 in words is "thirty million, one hundred thirty-seven thousand, eight hundred twenty-nine".
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