Base | Representation |
---|---|
bin | 111010000100000… |
… | …000111001000101 |
3 | 2111212222222011221 |
4 | 322010000321011 |
5 | 3443334141012 |
6 | 240355000341 |
7 | 33065655235 |
oct | 7204007105 |
9 | 2455888157 |
10 | 974130757 |
11 | 45a964946 |
12 | 2322990b1 |
13 | 126a80442 |
14 | 93535cc5 |
15 | 5a7c1507 |
hex | 3a100e45 |
974130757 has 2 divisors, whose sum is σ = 974130758. Its totient is φ = 974130756.
The previous prime is 974130733. The next prime is 974130791. The reversal of 974130757 is 757031479.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 536107716 + 438023041 = 23154^2 + 20929^2 .
It is an emirp because it is prime and its reverse (757031479) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 974130757 - 27 = 974130629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (974130797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487065378 + 487065379.
It is an arithmetic number, because the mean of its divisors is an integer number (487065379).
Almost surely, 2974130757 is an apocalyptic number.
It is an amenable number.
974130757 is a deficient number, since it is larger than the sum of its proper divisors (1).
974130757 is an equidigital number, since it uses as much as digits as its factorization.
974130757 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 185220, while the sum is 43.
The square root of 974130757 is about 31211.0678606164. The cubic root of 974130757 is about 991.3014740355.
The spelling of 974130757 in words is "nine hundred seventy-four million, one hundred thirty thousand, seven hundred fifty-seven".
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