Base | Representation |
---|---|
bin | 111010001010… |
… | …1111001111101 |
3 | 2010101110222110 |
4 | 1310111321331 |
5 | 30301422204 |
6 | 3005404233 |
7 | 520142463 |
oct | 164257175 |
9 | 63343873 |
10 | 30498429 |
11 | 16240a15 |
12 | a269679 |
13 | 641ab10 |
14 | 409c833 |
15 | 2a26889 |
hex | 1d15e7d |
30498429 has 8 divisors (see below), whose sum is σ = 43792672. Its totient is φ = 18768240.
The previous prime is 30498427. The next prime is 30498443. The reversal of 30498429 is 92489403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30498429 - 21 = 30498427 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 782011 = 30498429 / (3 + 0 + 4 + 9 + 8 + 4 + 2 + 9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30498421) 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, 390967 + ... + 391044.
It is an arithmetic number, because the mean of its divisors is an integer number (5474084).
Almost surely, 230498429 is an apocalyptic number.
30498429 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
30498429 is a deficient number, since it is larger than the sum of its proper divisors (13294243).
30498429 is a wasteful number, since it uses less digits than its factorization.
30498429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782027.
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 30498429 is about 5522.5382751050. The cubic root of 30498429 is about 312.4346239774.
The spelling of 30498429 in words is "thirty million, four hundred ninety-eight thousand, four hundred twenty-nine".
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