Base | Representation |
---|---|
bin | 111011000010… |
… | …0110010001101 |
3 | 2011020112222012 |
4 | 1312010302031 |
5 | 30410440324 |
6 | 3023231005 |
7 | 524043533 |
oct | 166046215 |
9 | 64215865 |
10 | 30952589 |
11 | 16521158 |
12 | a448465 |
13 | 6549755 |
14 | 417a153 |
15 | 2ab620e |
hex | 1d84c8d |
30952589 has 2 divisors, whose sum is σ = 30952590. Its totient is φ = 30952588.
The previous prime is 30952543. The next prime is 30952591. The reversal of 30952589 is 98525903.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22250089 + 8702500 = 4717^2 + 2950^2 .
It is a cyclic number.
It is not a de Polignac number, because 30952589 - 212 = 30948493 is a prime.
Together with 30952591, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30952289) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15476294 + 15476295.
It is an arithmetic number, because the mean of its divisors is an integer number (15476295).
Almost surely, 230952589 is an apocalyptic number.
It is an amenable number.
30952589 is a deficient number, since it is larger than the sum of its proper divisors (1).
30952589 is an equidigital number, since it uses as much as digits as its factorization.
30952589 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 97200, while the sum is 41.
The square root of 30952589 is about 5563.5051002044. The cubic root of 30952589 is about 313.9778372933.
The spelling of 30952589 in words is "thirty million, nine hundred fifty-two thousand, five hundred eighty-nine".
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