Base | Representation |
---|---|
bin | 111001111111… |
… | …1000110001001 |
3 | 2010012201211011 |
4 | 1303333012021 |
5 | 30240430001 |
6 | 3003403521 |
7 | 516303214 |
oct | 163770611 |
9 | 63181734 |
10 | 30405001 |
11 | 16187800 |
12 | a2235a1 |
13 | 63b7433 |
14 | 407677b |
15 | 2a08d51 |
hex | 1cff189 |
30405001 has 12 divisors (see below), whose sum is σ = 33994800. Its totient is φ = 27166040.
The previous prime is 30404977. The next prime is 30405007. The reversal of 30405001 is 10050403.
It is a de Polignac number, because none of the positive numbers 2k-30405001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30405007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5010 + ... + 9268.
It is an arithmetic number, because the mean of its divisors is an integer number (2832900).
Almost surely, 230405001 is an apocalyptic number.
It is an amenable number.
30405001 is a deficient number, since it is larger than the sum of its proper divisors (3589799).
30405001 is a wasteful number, since it uses less digits than its factorization.
30405001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4340 (or 4329 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 30405001 is about 5514.0729955270. The cubic root of 30405001 is about 312.1152632695.
Adding to 30405001 its reverse (10050403), we get a palindrome (40455404).
The spelling of 30405001 in words is "thirty million, four hundred five thousand, one".
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