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4200041 = 29144829
BaseRepresentation
bin10000000001011001101001
321220101101002
4100001121221
52033400131
6230004345
750462006
oct20013151
97811332
104200041
11240960a
1214a66b5
13b40941
147b48ad
1557e6cb
hex401669

4200041 has 4 divisors (see below), whose sum is σ = 4344900. Its totient is φ = 4055184.

The previous prime is 4200023. The next prime is 4200043. The reversal of 4200041 is 1400024.

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 1510441 + 2689600 = 1229^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200041 - 26 = 4199977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4199995 and 4200031.

It is not an unprimeable number, because it can be changed into a prime (4200043) 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, 72386 + ... + 72443.

It is an arithmetic number, because the mean of its divisors is an integer number (1086225).

Almost surely, 24200041 is an apocalyptic number.

It is an amenable number.

4200041 is a deficient number, since it is larger than the sum of its proper divisors (144859).

4200041 is a wasteful number, since it uses less digits than its factorization.

4200041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144858.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4200041 is about 2049.4001561433. The cubic root of 4200041 is about 161.3433896053.

Adding to 4200041 its reverse (1400024), we get a palindrome (5600065).

The spelling of 4200041 in words is "four million, two hundred thousand, forty-one".

Divisors: 1 29 144829 4200041