Base | Representation |
---|---|
bin | 1001000011101… |
… | …11000001101001 |
3 | 12021222102211022 |
4 | 10201313001221 |
5 | 123423010001 |
6 | 11312342225 |
7 | 1611601421 |
oct | 441670151 |
9 | 167872738 |
10 | 75985001 |
11 | 39989724 |
12 | 21544975 |
13 | 12985a51 |
14 | a13d481 |
15 | 6a0e11b |
hex | 4877069 |
75985001 has 2 divisors, whose sum is σ = 75985002. Its totient is φ = 75985000.
The previous prime is 75984991. The next prime is 75985037. The reversal of 75985001 is 10058957.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 44568976 + 31416025 = 6676^2 + 5605^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75985001 is a prime.
It is a Chen prime.
It is equal to p4448780 and since 75985001 and 4448780 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (75985081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37992500 + 37992501.
It is an arithmetic number, because the mean of its divisors is an integer number (37992501).
Almost surely, 275985001 is an apocalyptic number.
It is an amenable number.
75985001 is a deficient number, since it is larger than the sum of its proper divisors (1).
75985001 is an equidigital number, since it uses as much as digits as its factorization.
75985001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12600, while the sum is 35.
The square root of 75985001 is about 8716.9375929853. The cubic root of 75985001 is about 423.5544911896.
The spelling of 75985001 in words is "seventy-five million, nine hundred eighty-five thousand, one".
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