Base | Representation |
---|---|
bin | 1000111001001… |
… | …11010110100001 |
3 | 12012101120210100 |
4 | 10130213112201 |
5 | 123100010311 |
6 | 11223053013 |
7 | 1564114050 |
oct | 434472641 |
9 | 165346710 |
10 | 74610081 |
11 | 3912a727 |
12 | 20ba1169 |
13 | 125c3ca0 |
14 | 9ca2397 |
15 | 683ba56 |
hex | 47275a1 |
74610081 has 24 divisors (see below), whose sum is σ = 132641600. Its totient is φ = 39354336.
The previous prime is 74610079. The next prime is 74610083. The reversal of 74610081 is 18001647.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (74610079) and next prime (74610083).
It is not a de Polignac number, because 74610081 - 21 = 74610079 is a prime.
It is a super-2 number, since 2×746100812 = 11133328373653122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (74610083) 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 in 23 ways as a sum of consecutive naturals, for example, 44731 + ... + 46368.
Almost surely, 274610081 is an apocalyptic number.
It is an amenable number.
74610081 is a deficient number, since it is larger than the sum of its proper divisors (58031519).
74610081 is a wasteful number, since it uses less digits than its factorization.
74610081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91125 (or 91122 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 74610081 is about 8637.7127180753. The cubic root of 74610081 is about 420.9842393244.
The spelling of 74610081 in words is "seventy-four million, six hundred ten thousand, eighty-one".
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