Base | Representation |
---|---|
bin | 111001101110… |
… | …0000111000101 |
3 | 2002221110020202 |
4 | 1303130013011 |
5 | 30221333301 |
6 | 3000340245 |
7 | 515135351 |
oct | 163340705 |
9 | 62843222 |
10 | 30261701 |
11 | 1609a078 |
12 | a174685 |
13 | 6367142 |
14 | 403a461 |
15 | 29cb66b |
hex | 1cdc1c5 |
30261701 has 2 divisors, whose sum is σ = 30261702. Its totient is φ = 30261700.
The previous prime is 30261697. The next prime is 30261713. The reversal of 30261701 is 10716203.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29964676 + 297025 = 5474^2 + 545^2 .
It is an emirp because it is prime and its reverse (10716203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30261701 - 22 = 30261697 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30261401) 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 as a sum of consecutive naturals, namely, 15130850 + 15130851.
It is an arithmetic number, because the mean of its divisors is an integer number (15130851).
Almost surely, 230261701 is an apocalyptic number.
It is an amenable number.
30261701 is a deficient number, since it is larger than the sum of its proper divisors (1).
30261701 is an equidigital number, since it uses as much as digits as its factorization.
30261701 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 30261701 is about 5501.0636244276. The cubic root of 30261701 is about 311.6241536314.
Adding to 30261701 its reverse (10716203), we get a palindrome (40977904).
The spelling of 30261701 in words is "thirty million, two hundred sixty-one thousand, seven hundred one".
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