Base | Representation |
---|---|
bin | 111001010011… |
… | …1110010110000 |
3 | 2002112120021222 |
4 | 1302213302300 |
5 | 30143004113 |
6 | 2552004212 |
7 | 513253526 |
oct | 162476260 |
9 | 62476258 |
10 | 30047408 |
11 | 15a63076 |
12 | a090668 |
13 | 62c0741 |
14 | 3dc2316 |
15 | 2987e08 |
hex | 1ca7cb0 |
30047408 has 20 divisors (see below), whose sum is σ = 58515600. Its totient is φ = 14946624.
The previous prime is 30047389. The next prime is 30047471. The reversal of 30047408 is 80474003.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1535 + ... + 7902.
It is an arithmetic number, because the mean of its divisors is an integer number (2925780).
Almost surely, 230047408 is an apocalyptic number.
It is an amenable number.
30047408 is a deficient number, since it is larger than the sum of its proper divisors (28468192).
30047408 is a wasteful number, since it uses less digits than its factorization.
30047408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9644 (or 9638 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 26.
The square root of 30047408 is about 5481.5516051571. The cubic root of 30047408 is about 310.8868396527.
The spelling of 30047408 in words is "thirty million, forty-seven thousand, four hundred eight".
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