Base | Representation |
---|---|
bin | 111001111111… |
… | …0110110100001 |
3 | 2010012200110010 |
4 | 1303332312201 |
5 | 30240412001 |
6 | 3003355133 |
7 | 516300255 |
oct | 163766641 |
9 | 63180403 |
10 | 30404001 |
11 | 16186a81 |
12 | a222aa9 |
13 | 63b6b44 |
14 | 4076265 |
15 | 2a088d6 |
hex | 1cfeda1 |
30404001 has 16 divisors (see below), whose sum is σ = 41827968. Its totient is φ = 19632000.
The previous prime is 30403991. The next prime is 30404021. The reversal of 30404001 is 10040403.
It is not a de Polignac number, because 30404001 - 25 = 30403969 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30404021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17755 + ... + 19391.
It is an arithmetic number, because the mean of its divisors is an integer number (2614248).
Almost surely, 230404001 is an apocalyptic number.
It is an amenable number.
30404001 is a deficient number, since it is larger than the sum of its proper divisors (11423967).
30404001 is a wasteful number, since it uses less digits than its factorization.
30404001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1832.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 30404001 is about 5513.9823177083. The cubic root of 30404001 is about 312.1118414784. Note that the first 3 decimals are identical.
Adding to 30404001 its reverse (10040403), we get a palindrome (40444404).
The spelling of 30404001 in words is "thirty million, four hundred four thousand, one".
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