Base | Representation |
---|---|
bin | 1000110100101… |
… | …11000011111001 |
3 | 12011021120001212 |
4 | 10122113003321 |
5 | 122422102230 |
6 | 11202252505 |
7 | 1556103011 |
oct | 432270371 |
9 | 164246055 |
10 | 74019065 |
11 | 3886668a |
12 | 20957135 |
13 | 12447c83 |
14 | 9b8ac41 |
15 | 6771895 |
hex | 46970f9 |
74019065 has 4 divisors (see below), whose sum is σ = 88822884. Its totient is φ = 59215248.
The previous prime is 74019059. The next prime is 74019067. The reversal of 74019065 is 56091047.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56091047 = 3889 ⋅14423.
It can be written as a sum of positive squares in 2 ways, for example, as 55905529 + 18113536 = 7477^2 + 4256^2 .
It is a cyclic number.
It is not a de Polignac number, because 74019065 - 28 = 74018809 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (74019067) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7401902 + ... + 7401911.
It is an arithmetic number, because the mean of its divisors is an integer number (22205721).
Almost surely, 274019065 is an apocalyptic number.
It is an amenable number.
74019065 is a deficient number, since it is larger than the sum of its proper divisors (14803819).
74019065 is a wasteful number, since it uses less digits than its factorization.
74019065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14803818.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 74019065 is about 8603.4333262948. The cubic root of 74019065 is about 419.8696969176.
The spelling of 74019065 in words is "seventy-four million, nineteen thousand, sixty-five".
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