Base | Representation |
---|---|
bin | 111010111001… |
… | …0000000110101 |
3 | 2011002122111111 |
4 | 1311302000311 |
5 | 30401010301 |
6 | 3021435021 |
7 | 523303423 |
oct | 165620065 |
9 | 64078444 |
10 | 30875701 |
11 | 1647940a |
12 | a40ba71 |
13 | 652075c |
14 | 415a113 |
15 | 2a9d551 |
hex | 1d72035 |
30875701 has 2 divisors, whose sum is σ = 30875702. Its totient is φ = 30875700.
The previous prime is 30875657. The next prime is 30875707. The reversal of 30875701 is 10757803.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25745476 + 5130225 = 5074^2 + 2265^2 .
It is a cyclic number.
It is not a de Polignac number, because 30875701 - 27 = 30875573 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30875707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15437850 + 15437851.
It is an arithmetic number, because the mean of its divisors is an integer number (15437851).
Almost surely, 230875701 is an apocalyptic number.
It is an amenable number.
30875701 is a deficient number, since it is larger than the sum of its proper divisors (1).
30875701 is an equidigital number, since it uses as much as digits as its factorization.
30875701 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5880, while the sum is 31.
The square root of 30875701 is about 5556.5907713273. The cubic root of 30875701 is about 313.7176420972.
The spelling of 30875701 in words is "thirty million, eight hundred seventy-five thousand, seven hundred one".
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