Base | Representation |
---|---|
bin | 10010000111101… |
… | …10111110110101 |
3 | 101121000201211101 |
4 | 21003312332311 |
5 | 302403202311 |
6 | 23030010101 |
7 | 3524014606 |
oct | 1103667665 |
9 | 347021741 |
10 | 152006581 |
11 | 78892881 |
12 | 42aa6931 |
13 | 2565232c |
14 | 1628bdad |
15 | d528ec1 |
hex | 90f6fb5 |
152006581 has 2 divisors, whose sum is σ = 152006582. Its totient is φ = 152006580.
The previous prime is 152006567. The next prime is 152006587. The reversal of 152006581 is 185600251.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 87123556 + 64883025 = 9334^2 + 8055^2 .
It is a cyclic number.
It is not a de Polignac number, because 152006581 - 29 = 152006069 is a prime.
It is a super-2 number, since 2×1520065812 = 46212001334619122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (152006587) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76003290 + 76003291.
It is an arithmetic number, because the mean of its divisors is an integer number (76003291).
Almost surely, 2152006581 is an apocalyptic number.
It is an amenable number.
152006581 is a deficient number, since it is larger than the sum of its proper divisors (1).
152006581 is an equidigital number, since it uses as much as digits as its factorization.
152006581 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2400, while the sum is 28.
The square root of 152006581 is about 12329.0948978423. The cubic root of 152006581 is about 533.6880317171.
The spelling of 152006581 in words is "one hundred fifty-two million, six thousand, five hundred eighty-one".
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