Base | Representation |
---|---|
bin | 1000110111110… |
… | …01101110100001 |
3 | 12012001002102212 |
4 | 10123321232201 |
5 | 123023020301 |
6 | 11215051505 |
7 | 1562405156 |
oct | 433715641 |
9 | 165032385 |
10 | 74423201 |
11 | 39012286 |
12 | 20b10b95 |
13 | 12559bc8 |
14 | 9c5422d |
15 | 68014bb |
hex | 46f9ba1 |
74423201 has 4 divisors (see below), whose sum is σ = 74485572. Its totient is φ = 74360832.
The previous prime is 74423197. The next prime is 74423207. The reversal of 74423201 is 10232447.
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 55726225 + 18696976 = 7465^2 + 4324^2 .
It is a cyclic number.
It is not a de Polignac number, because 74423201 - 22 = 74423197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74423207) 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, 29360 + ... + 31793.
It is an arithmetic number, because the mean of its divisors is an integer number (18621393).
Almost surely, 274423201 is an apocalyptic number.
It is an amenable number.
74423201 is a deficient number, since it is larger than the sum of its proper divisors (62371).
74423201 is a wasteful number, since it uses less digits than its factorization.
74423201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62370.
The product of its (nonzero) digits is 1344, while the sum is 23.
The square root of 74423201 is about 8626.8882570716. Note that the first 3 decimals coincide. The cubic root of 74423201 is about 420.6324579425.
Adding to 74423201 its reverse (10232447), we get a palindrome (84655648).
The spelling of 74423201 in words is "seventy-four million, four hundred twenty-three thousand, two hundred one".
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