Base | Representation |
---|---|
bin | 111001011111… |
… | …0100101010001 |
3 | 2002201022100012 |
4 | 1302332211101 |
5 | 30204001003 |
6 | 2554004305 |
7 | 514122626 |
oct | 162764521 |
9 | 62638305 |
10 | 30140753 |
11 | 16017215 |
12 | a116695 |
13 | 6324086 |
14 | 400834d |
15 | 29a58d8 |
hex | 1cbe951 |
30140753 has 2 divisors, whose sum is σ = 30140754. Its totient is φ = 30140752.
The previous prime is 30140743. The next prime is 30140777. The reversal of 30140753 is 35704103.
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., 29073664 + 1067089 = 5392^2 + 1033^2 .
It is an emirp because it is prime and its reverse (35704103) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30140753 - 28 = 30140497 is a prime.
It is a super-3 number, since 3×301407533 (a number of 23 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (30140743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070376 + 15070377.
It is an arithmetic number, because the mean of its divisors is an integer number (15070377).
Almost surely, 230140753 is an apocalyptic number.
It is an amenable number.
30140753 is a deficient number, since it is larger than the sum of its proper divisors (1).
30140753 is an equidigital number, since it uses as much as digits as its factorization.
30140753 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 30140753 is about 5490.0594714447. The cubic root of 30140753 is about 311.2084395834.
Adding to 30140753 its reverse (35704103), we get a palindrome (65844856).
The spelling of 30140753 in words is "thirty million, one hundred forty thousand, seven hundred fifty-three".
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