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4200241 = 17247073
BaseRepresentation
bin10000000001011100110001
321220101122111
4100001130301
52033401431
6230005321
750462413
oct20013461
97811574
104200241
112409781
1214a6841
13b40a66
147b49b3
1557e7b1
hex401731

4200241 has 4 divisors (see below), whose sum is σ = 4447332. Its totient is φ = 3953152.

The previous prime is 4200239. The next prime is 4200247. The reversal of 4200241 is 1420024.

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 3920400 + 279841 = 1980^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200241 - 21 = 4200239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4200247) 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, 123520 + ... + 123553.

It is an arithmetic number, because the mean of its divisors is an integer number (1111833).

Almost surely, 24200241 is an apocalyptic number.

It is an amenable number.

4200241 is a deficient number, since it is larger than the sum of its proper divisors (247091).

4200241 is a wasteful number, since it uses less digits than its factorization.

4200241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247090.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4200241 is about 2049.4489503279. The cubic root of 4200241 is about 161.3459505458.

Adding to 4200241 its reverse (1420024), we get a palindrome (5620265).

The spelling of 4200241 in words is "four million, two hundred thousand, two hundred forty-one".

Divisors: 1 17 247073 4200241