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4200201 = 33732131
BaseRepresentation
bin10000000001011100001001
321220101121000
4100001130021
52033401301
6230005213
750462325
oct20013411
97811530
104200201
112409745
1214a6809
13b40a35
147b4985
1557e786
hex401709

4200201 has 16 divisors (see below), whose sum is σ = 6310720. Its totient is φ = 2760480.

The previous prime is 4200199. The next prime is 4200211. The reversal of 4200201 is 1020024.

It is not a de Polignac number, because 4200201 - 21 = 4200199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (394420).

Almost surely, 24200201 is an apocalyptic number.

It is an amenable number.

4200201 is a deficient number, since it is larger than the sum of its proper divisors (2110519).

4200201 is a wasteful number, since it uses less digits than its factorization.

4200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213 (or 2207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4200201 is about 2049.4391915839. The cubic root of 4200201 is about 161.3454383642.

Adding to 4200201 its reverse (1020024), we get a palindrome (5220225).

The spelling of 4200201 in words is "four million, two hundred thousand, two hundred one".

Divisors: 1 3 9 27 73 219 657 1971 2131 6393 19179 57537 155563 466689 1400067 4200201