Base | Representation |
---|---|
bin | 111010000111… |
… | …1000101011110 |
3 | 2010100001122211 |
4 | 1310033011132 |
5 | 30300023434 |
6 | 3005031034 |
7 | 516665155 |
oct | 164170536 |
9 | 63301584 |
10 | 30470494 |
11 | 16221a2a |
12 | a25547a |
13 | 640b1a2 |
14 | 409259c |
15 | 2a1d464 |
hex | 1d0f15e |
30470494 has 8 divisors (see below), whose sum is σ = 48394368. Its totient is φ = 14339040.
The previous prime is 30470483. The next prime is 30470507. The reversal of 30470494 is 49407403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448062 + ... + 448129.
It is an arithmetic number, because the mean of its divisors is an integer number (6049296).
Almost surely, 230470494 is an apocalyptic number.
30470494 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30470494 is a deficient number, since it is larger than the sum of its proper divisors (17923874).
30470494 is a wasteful number, since it uses less digits than its factorization.
30470494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896210.
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 30470494 is about 5520.0085144862. The cubic root of 30470494 is about 312.3392034632.
Adding to 30470494 its reverse (49407403), we get a palindrome (79877897).
The spelling of 30470494 in words is "thirty million, four hundred seventy thousand, four hundred ninety-four".
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