Base | Representation |
---|---|
bin | 111001010111… |
… | …1110000001000 |
3 | 2002121020000101 |
4 | 1302233300020 |
5 | 30200030013 |
6 | 2552415144 |
7 | 513450550 |
oct | 162576010 |
9 | 62536011 |
10 | 30080008 |
11 | 15a85612 |
12 | a0a74b4 |
13 | 630252a |
14 | 3dd0160 |
15 | 29928dd |
hex | 1cafc08 |
30080008 has 16 divisors (see below), whose sum is σ = 64457280. Its totient is φ = 12891408.
The previous prime is 30079999. The next prime is 30080009. The reversal of 30080008 is 80008003.
It is not an unprimeable number, because it can be changed into a prime (30080009) 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, 268516 + ... + 268627.
It is an arithmetic number, because the mean of its divisors is an integer number (4028580).
Almost surely, 230080008 is an apocalyptic number.
It is an amenable number.
30080008 is an abundant number, since it is smaller than the sum of its proper divisors (34377272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30080008 is a wasteful number, since it uses less digits than its factorization.
30080008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537156 (or 537152 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 30080008 is about 5484.5244096457. The cubic root of 30080008 is about 310.9992314646. Note that the first 3 decimals are identical.
It can be divided in two parts, 300 and 80008, that added together give a palindrome (80308).
The spelling of 30080008 in words is "thirty million, eighty thousand, eight".
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