Base | Representation |
---|---|
bin | 111010000111… |
… | …1010011110000 |
3 | 2010100002220200 |
4 | 1310033103300 |
5 | 30300041113 |
6 | 3005035200 |
7 | 520000632 |
oct | 164172360 |
9 | 63302820 |
10 | 30471408 |
11 | 16222690 |
12 | a255b00 |
13 | 640b726 |
14 | 4092a52 |
15 | 2a1d873 |
hex | 1d0f4f0 |
30471408 has 60 divisors (see below), whose sum is σ = 93034968. Its totient is φ = 9233280.
The previous prime is 30471407. The next prime is 30471433. The reversal of 30471408 is 80417403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30471401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8035 + ... + 11202.
Almost surely, 230471408 is an apocalyptic number.
It is an amenable number.
30471408 is an abundant number, since it is smaller than the sum of its proper divisors (62563560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30471408 is a wasteful number, since it uses less digits than its factorization.
30471408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19262 (or 19253 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 30471408 is about 5520.0913035927. The cubic root of 30471408 is about 312.3423264317.
The spelling of 30471408 in words is "thirty million, four hundred seventy-one thousand, four hundred eight".
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