Base | Representation |
---|---|
bin | 1000111110110… |
… | …11000001101111 |
3 | 12020202222022202 |
4 | 10133123001233 |
5 | 123242033111 |
6 | 11250532115 |
7 | 1603300505 |
oct | 437330157 |
9 | 166688282 |
10 | 75346031 |
11 | 39592652 |
12 | 2129703b |
13 | 127c0c67 |
14 | a014675 |
15 | 6934b3b |
hex | 47db06f |
75346031 has 6 divisors (see below), whose sum is σ = 78034632. Its totient is φ = 72747080.
The previous prime is 75346003. The next prime is 75346043. The reversal of 75346031 is 13064357.
It is not a de Polignac number, because 75346031 - 210 = 75345007 is a prime.
It is a super-2 number, since 2×753460312 = 11354048774905922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 75345985 and 75346003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75346331) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43955 + ... + 45636.
It is an arithmetic number, because the mean of its divisors is an integer number (13005772).
Almost surely, 275346031 is an apocalyptic number.
75346031 is a deficient number, since it is larger than the sum of its proper divisors (2688601).
75346031 is an equidigital number, since it uses as much as digits as its factorization.
75346031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89649 (or 89620 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 75346031 is about 8680.2091564662. The cubic root of 75346031 is about 422.3639018708.
The spelling of 75346031 in words is "seventy-five million, three hundred forty-six thousand, thirty-one".
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