Base | Representation |
---|---|
bin | 1000110100101… |
… | …00001101101001 |
3 | 12011020222001212 |
4 | 10122110031221 |
5 | 122421214101 |
6 | 11202122505 |
7 | 1556024006 |
oct | 432241551 |
9 | 164228055 |
10 | 74007401 |
11 | 38858946 |
12 | 20950435 |
13 | 12442880 |
14 | 9b868ad |
15 | 676d1bb |
hex | 4694369 |
74007401 has 4 divisors (see below), whose sum is σ = 79700292. Its totient is φ = 68314512.
The previous prime is 74007383. The next prime is 74007407. The reversal of 74007401 is 10470047.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 46717225 + 27290176 = 6835^2 + 5224^2 .
It is a cyclic number.
It is not a de Polignac number, because 74007401 - 210 = 74006377 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 (74007407) 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, 2846426 + ... + 2846451.
It is an arithmetic number, because the mean of its divisors is an integer number (19925073).
Almost surely, 274007401 is an apocalyptic number.
It is an amenable number.
74007401 is a deficient number, since it is larger than the sum of its proper divisors (5692891).
74007401 is a wasteful number, since it uses less digits than its factorization.
74007401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5692890.
The product of its (nonzero) digits is 784, while the sum is 23.
The square root of 74007401 is about 8602.7554306745. The cubic root of 74007401 is about 419.8476412602.
Adding to 74007401 its reverse (10470047), we get a palindrome (84477448).
The spelling of 74007401 in words is "seventy-four million, seven thousand, four hundred one".
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