Base | Representation |
---|---|
bin | 111010011000… |
… | …0000100100001 |
3 | 2010120220222210 |
4 | 1310300010201 |
5 | 30313334401 |
6 | 3011552333 |
7 | 521100105 |
oct | 164600441 |
9 | 63526883 |
10 | 30605601 |
11 | 16304494 |
12 | a2bb6a9 |
13 | 6457830 |
14 | 40c9905 |
15 | 2a484d6 |
hex | 1d30121 |
30605601 has 32 divisors (see below), whose sum is σ = 45803520. Its totient is φ = 18057024.
The previous prime is 30605581. The next prime is 30605609. The reversal of 30605601 is 10650603.
It is not a de Polignac number, because 30605601 - 25 = 30605569 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30605609) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108006 + ... + 108288.
It is an arithmetic number, because the mean of its divisors is an integer number (1431360).
Almost surely, 230605601 is an apocalyptic number.
It is an amenable number.
30605601 is a deficient number, since it is larger than the sum of its proper divisors (15197919).
30605601 is a wasteful number, since it uses less digits than its factorization.
30605601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 30605601 is about 5532.2329126674. The cubic root of 30605601 is about 312.8001630080.
The spelling of 30605601 in words is "thirty million, six hundred five thousand, six hundred one".
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