Base | Representation |
---|---|
bin | 101101101010111… |
… | …0101110011110001 |
3 | 10221210120122001111 |
4 | 1123111311303301 |
5 | 11114301431311 |
6 | 412021433321 |
7 | 52655425216 |
oct | 13325656361 |
9 | 3853518044 |
10 | 1532452081 |
11 | 717035a26 |
12 | 36926b841 |
13 | 1b56453a4 |
14 | 10774db0d |
15 | 8e809d21 |
hex | 5b575cf1 |
1532452081 has 2 divisors, whose sum is σ = 1532452082. Its totient is φ = 1532452080.
The previous prime is 1532452079. The next prime is 1532452139. The reversal of 1532452081 is 1802542351.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1473408225 + 59043856 = 38385^2 + 7684^2 .
It is a cyclic number.
It is not a de Polignac number, because 1532452081 - 21 = 1532452079 is a prime.
It is a super-2 number, since 2×15324520812 = 4696818761122461122, which contains 22 as substring.
Together with 1532452079, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1532455081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766226040 + 766226041.
It is an arithmetic number, because the mean of its divisors is an integer number (766226041).
Almost surely, 21532452081 is an apocalyptic number.
It is an amenable number.
1532452081 is a deficient number, since it is larger than the sum of its proper divisors (1).
1532452081 is an equidigital number, since it uses as much as digits as its factorization.
1532452081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 1532452081 is about 39146.5462205799. The cubic root of 1532452081 is about 1152.9106059808.
The spelling of 1532452081 in words is "one billion, five hundred thirty-two million, four hundred fifty-two thousand, eighty-one".
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