Base | Representation |
---|---|
bin | 11110000010110… |
… | …10110001000011 |
3 | 122120020110012011 |
4 | 33001122301003 |
5 | 1004004430034 |
6 | 41001513351 |
7 | 6150135253 |
oct | 1701326103 |
9 | 576213164 |
10 | 252030019 |
11 | 11a29a97a |
12 | 704a2857 |
13 | 402a36b7 |
14 | 25687963 |
15 | 171d5864 |
hex | f05ac43 |
252030019 has 2 divisors, whose sum is σ = 252030020. Its totient is φ = 252030018.
The previous prime is 252030017. The next prime is 252030029. The reversal of 252030019 is 910030252.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 252030019 - 21 = 252030017 is a prime.
It is a super-2 number, since 2×2520300192 = 127038260954280722, which contains 22 as substring.
Together with 252030017, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (252030013) 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, 126015009 + 126015010.
It is an arithmetic number, because the mean of its divisors is an integer number (126015010).
Almost surely, 2252030019 is an apocalyptic number.
252030019 is a deficient number, since it is larger than the sum of its proper divisors (1).
252030019 is an equidigital number, since it uses as much as digits as its factorization.
252030019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 252030019 is about 15875.4533478575. The cubic root of 252030019 is about 631.6610395633.
The spelling of 252030019 in words is "two hundred fifty-two million, thirty thousand, nineteen".
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