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4205061 = 337191171
BaseRepresentation
bin10000000010101000000101
321220122021000
4100002220011
52034030221
6230043513
750512440
oct20025005
97818230
104205061
112412363
1214a9599
13b43003
147b6657
15580e26
hex402a05

4205061 has 32 divisors (see below), whose sum is σ = 7500800. Its totient is φ = 2274480.

The previous prime is 4205059. The next prime is 4205063. The reversal of 4205061 is 1605024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4205059) and next prime (4205063).

It is not a de Polignac number, because 4205061 - 21 = 4205059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3006 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (234400).

Almost surely, 24205061 is an apocalyptic number.

It is an amenable number.

4205061 is a deficient number, since it is larger than the sum of its proper divisors (3295739).

4205061 is a wasteful number, since it uses less digits than its factorization.

4205061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4205061 is about 2050.6245390124. The cubic root of 4205061 is about 161.4076446401.

The spelling of 4205061 in words is "four million, two hundred five thousand, sixty-one".

Divisors: 1 3 7 9 19 21 27 57 63 133 171 189 399 513 1171 1197 3513 3591 8197 10539 22249 24591 31617 66747 73773 155743 200241 221319 467229 600723 1401687 4205061