Base | Representation |
---|---|
bin | 1000111110100… |
… | …10000100011101 |
3 | 12020201002222212 |
4 | 10133102010131 |
5 | 123234344331 |
6 | 11250050205 |
7 | 1603055522 |
oct | 437220435 |
9 | 166632885 |
10 | 75309341 |
11 | 39568028 |
12 | 21279965 |
13 | 127aa353 |
14 | a005149 |
15 | 6928d2b |
hex | 47d211d |
75309341 has 2 divisors, whose sum is σ = 75309342. Its totient is φ = 75309340.
The previous prime is 75309329. The next prime is 75309347. The reversal of 75309341 is 14390357.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 57912100 + 17397241 = 7610^2 + 4171^2 .
It is an emirp because it is prime and its reverse (14390357) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75309341 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 75309298 and 75309307.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (75309347) 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, 37654670 + 37654671.
It is an arithmetic number, because the mean of its divisors is an integer number (37654671).
Almost surely, 275309341 is an apocalyptic number.
It is an amenable number.
75309341 is a deficient number, since it is larger than the sum of its proper divisors (1).
75309341 is an equidigital number, since it uses as much as digits as its factorization.
75309341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11340, while the sum is 32.
The square root of 75309341 is about 8678.0954707816. The cubic root of 75309341 is about 422.2953335716.
Adding to 75309341 its reverse (14390357), we get a palindrome (89699698).
The spelling of 75309341 in words is "seventy-five million, three hundred nine thousand, three hundred forty-one".
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