Base | Representation |
---|---|
bin | 1000111000100… |
… | …11110110011001 |
3 | 12012020112012211 |
4 | 10130103312121 |
5 | 123034431301 |
6 | 11221235121 |
7 | 1563332134 |
oct | 434236631 |
9 | 165215184 |
10 | 74530201 |
11 | 39085709 |
12 | 20b62aa1 |
13 | 12596815 |
14 | 9c8121b |
15 | 6823051 |
hex | 4713d99 |
74530201 has 4 divisors (see below), whose sum is σ = 74558592. Its totient is φ = 74501812.
The previous prime is 74530199. The next prime is 74530213. The reversal of 74530201 is 10203547.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10203547 = 41 ⋅248867.
It is a cyclic number.
It is not a de Polignac number, because 74530201 - 21 = 74530199 is a prime.
It is a super-2 number, since 2×745302012 = 11109501722200802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74530801) 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, 9805 + ... + 15658.
It is an arithmetic number, because the mean of its divisors is an integer number (18639648).
Almost surely, 274530201 is an apocalyptic number.
It is an amenable number.
74530201 is a deficient number, since it is larger than the sum of its proper divisors (28391).
74530201 is a wasteful number, since it uses less digits than its factorization.
74530201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28390.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 74530201 is about 8633.0875705045. The cubic root of 74530201 is about 420.8339458301.
Adding to 74530201 its reverse (10203547), we get a palindrome (84733748).
The spelling of 74530201 in words is "seventy-four million, five hundred thirty thousand, two hundred one".
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