Base | Representation |
---|---|
bin | 1001000001010… |
… | …01101001111001 |
3 | 12021101100002211 |
4 | 10200221221321 |
5 | 123332334324 |
6 | 11301455121 |
7 | 1606111450 |
oct | 440515171 |
9 | 167340084 |
10 | 75668089 |
11 | 39792612 |
12 | 214114a1 |
13 | 128a4723 |
14 | a099b97 |
15 | 699a294 |
hex | 4829a79 |
75668089 has 32 divisors (see below), whose sum is σ = 94786560. Its totient is φ = 58968000.
The previous prime is 75668081. The next prime is 75668093. The reversal of 75668089 is 98086657.
It is not a de Polignac number, because 75668089 - 23 = 75668081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75668081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577554 + ... + 577684.
It is an arithmetic number, because the mean of its divisors is an integer number (2962080).
Almost surely, 275668089 is an apocalyptic number.
It is an amenable number.
75668089 is a deficient number, since it is larger than the sum of its proper divisors (19118471).
75668089 is a wasteful number, since it uses less digits than its factorization.
75668089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301.
The product of its (nonzero) digits is 725760, while the sum is 49.
The square root of 75668089 is about 8698.7406559800. The cubic root of 75668089 is about 422.9648285638.
The spelling of 75668089 in words is "seventy-five million, six hundred sixty-eight thousand, eighty-nine".
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