Base | Representation |
---|---|
bin | 111001111110… |
… | …1100101001101 |
3 | 2010012102022101 |
4 | 1303331211031 |
5 | 30240230142 |
6 | 3003315101 |
7 | 516246142 |
oct | 163754515 |
9 | 63172271 |
10 | 30398797 |
11 | 16183080 |
12 | a21ba91 |
13 | 63b4670 |
14 | 40743c9 |
15 | 2a070b7 |
hex | 1cfd94d |
30398797 has 8 divisors (see below), whose sum is σ = 35713440. Its totient is φ = 25509360.
The previous prime is 30398783. The next prime is 30398813. The reversal of 30398797 is 79789303.
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 30398797 - 211 = 30396749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30398717) 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, 106147 + ... + 106432.
It is an arithmetic number, because the mean of its divisors is an integer number (4464180).
Almost surely, 230398797 is an apocalyptic number.
It is an amenable number.
30398797 is a deficient number, since it is larger than the sum of its proper divisors (5314643).
30398797 is a wasteful number, since it uses less digits than its factorization.
30398797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212603.
The product of its (nonzero) digits is 285768, while the sum is 46.
The square root of 30398797 is about 5513.5104062657. The cubic root of 30398797 is about 312.0940332663.
The spelling of 30398797 in words is "thirty million, three hundred ninety-eight thousand, seven hundred ninety-seven".
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