Base | Representation |
---|---|
bin | 1001000001010… |
… | …00001101010001 |
3 | 12021101000222021 |
4 | 10200220031101 |
5 | 123332142121 |
6 | 11301411441 |
7 | 1606055251 |
oct | 440501521 |
9 | 167330867 |
10 | 75662161 |
11 | 39789113 |
12 | 21409b81 |
13 | 128a1b13 |
14 | a097961 |
15 | 6998641 |
hex | 4828351 |
75662161 has 8 divisors (see below), whose sum is σ = 80390880. Its totient is φ = 71008128.
The previous prime is 75662159. The next prime is 75662173. The reversal of 75662161 is 16126657.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75662161 - 21 = 75662159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75662101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16576 + ... + 20641.
It is an arithmetic number, because the mean of its divisors is an integer number (10048860).
Almost surely, 275662161 is an apocalyptic number.
It is an amenable number.
75662161 is a deficient number, since it is larger than the sum of its proper divisors (4728719).
75662161 is a wasteful number, since it uses less digits than its factorization.
75662161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37343.
The product of its digits is 15120, while the sum is 34.
The square root of 75662161 is about 8698.3999103283. The cubic root of 75662161 is about 422.9537829521.
The spelling of 75662161 in words is "seventy-five million, six hundred sixty-two thousand, one hundred sixty-one".
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