Base | Representation |
---|---|
bin | 1000111111111… |
… | …11001010001011 |
3 | 12021001111100002 |
4 | 10133333022023 |
5 | 123311302102 |
6 | 11254033215 |
7 | 1604455130 |
oct | 437771213 |
9 | 167044302 |
10 | 75494027 |
11 | 39683864 |
12 | 2134880b |
13 | 1284342b |
14 | a052587 |
15 | 6963902 |
hex | 47ff28b |
75494027 has 16 divisors (see below), whose sum is σ = 91517952. Its totient is φ = 60873120.
The previous prime is 75494009. The next prime is 75494051. The reversal of 75494027 is 72049457.
It is not a de Polignac number, because 75494027 - 26 = 75493963 is a prime.
It is a super-2 number, since 2×754940272 = 11398696225353458, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75493027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5978 + ... + 13664.
It is an arithmetic number, because the mean of its divisors is an integer number (5719872).
Almost surely, 275494027 is an apocalyptic number.
75494027 is a deficient number, since it is larger than the sum of its proper divisors (16023925).
75494027 is a wasteful number, since it uses less digits than its factorization.
75494027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7778.
The product of its (nonzero) digits is 70560, while the sum is 38.
The square root of 75494027 is about 8688.7298841660. The cubic root of 75494027 is about 422.6402592106.
The spelling of 75494027 in words is "seventy-five million, four hundred ninety-four thousand, twenty-seven".
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