Base | Representation |
---|---|
bin | 1010001100010… |
… | …11101110111111 |
3 | 12221220012120012 |
4 | 11012023232333 |
5 | 133342211012 |
6 | 12252413435 |
7 | 2055540365 |
oct | 506135677 |
9 | 187805505 |
10 | 85507007 |
11 | 442a2753 |
12 | 2477727b |
13 | 1493ab81 |
14 | b4db635 |
15 | 7790622 |
hex | 518bbbf |
85507007 has 2 divisors, whose sum is σ = 85507008. Its totient is φ = 85507006.
The previous prime is 85507001. The next prime is 85507013. The reversal of 85507007 is 70070558.
It is a balanced prime because it is at equal distance from previous prime (85507001) and next prime (85507013).
It is a cyclic number.
It is not a de Polignac number, because 85507007 - 26 = 85506943 is a prime.
It is a super-2 number, since 2×855070072 = 14622896492196098, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (85507001) 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, 42753503 + 42753504.
It is an arithmetic number, because the mean of its divisors is an integer number (42753504).
Almost surely, 285507007 is an apocalyptic number.
85507007 is a deficient number, since it is larger than the sum of its proper divisors (1).
85507007 is an equidigital number, since it uses as much as digits as its factorization.
85507007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 85507007 is about 9246.9998918568. Note that the first 3 decimals coincide. The cubic root of 85507007 is about 440.5554400665. Note that the first 3 decimals are identical.
The spelling of 85507007 in words is "eighty-five million, five hundred seven thousand, seven".
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