Base | Representation |
---|---|
bin | 111001001110… |
… | …0010101110011 |
3 | 2002110011221121 |
4 | 1302130111303 |
5 | 30140003444 |
6 | 2551003111 |
7 | 513000004 |
oct | 162342563 |
9 | 62404847 |
10 | 30000499 |
11 | 15a30901 |
12 | a069497 |
13 | 62a5299 |
14 | 3dad1ab |
15 | 2979084 |
hex | 1c9c573 |
30000499 has 4 divisors (see below), whose sum is σ = 30156136. Its totient is φ = 29844864.
The previous prime is 30000493. The next prime is 30000511. The reversal of 30000499 is 99400003.
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 30000499 - 213 = 29992307 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30000493) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77529 + ... + 77914.
It is an arithmetic number, because the mean of its divisors is an integer number (7539034).
Almost surely, 230000499 is an apocalyptic number.
30000499 is a deficient number, since it is larger than the sum of its proper divisors (155637).
30000499 is a wasteful number, since it uses less digits than its factorization.
30000499 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155636.
The product of its (nonzero) digits is 972, while the sum is 25.
The square root of 30000499 is about 5477.2711271216. The cubic root of 30000499 is about 310.7249733736.
The spelling of 30000499 in words is "thirty million, four hundred ninety-nine", and thus it is an aban number.
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