Base | Representation |
---|---|
bin | 111010110101… |
… | …0101010100001 |
3 | 2011001010012200 |
4 | 1311222222201 |
5 | 30344024401 |
6 | 3021043413 |
7 | 523116603 |
oct | 165525241 |
9 | 64033180 |
10 | 30845601 |
11 | 16458836 |
12 | a3b6569 |
13 | 650cb47 |
14 | 414d173 |
15 | 2a94686 |
hex | 1d6aaa1 |
30845601 has 6 divisors (see below), whose sum is σ = 44554770. Its totient is φ = 20563728.
The previous prime is 30845593. The next prime is 30845603. The reversal of 30845601 is 10654803.
It can be written as a sum of positive squares in only one way, i.e., 26010000 + 4835601 = 5100^2 + 2199^2 .
It is not a de Polignac number, because 30845601 - 23 = 30845593 is a prime.
It is a super-2 number, since 2×308456012 = 1902902202102402, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30845603) 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 5 ways as a sum of consecutive naturals, for example, 1713636 + ... + 1713653.
It is an arithmetic number, because the mean of its divisors is an integer number (7425795).
Almost surely, 230845601 is an apocalyptic number.
It is an amenable number.
30845601 is a deficient number, since it is larger than the sum of its proper divisors (13709169).
30845601 is a wasteful number, since it uses less digits than its factorization.
30845601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3427295 (or 3427292 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 30845601 is about 5553.8816155910. The cubic root of 30845601 is about 313.6156636164.
The spelling of 30845601 in words is "thirty million, eight hundred forty-five thousand, six hundred one".
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