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4238286 = 231367811
BaseRepresentation
bin10000001010101111001110
321222022211120
4100022233032
52041111121
6230501410
751011343
oct20125716
97868746
104238286
112435318
121504866
13b55180
147c47ca
1558abc6
hex40abce

4238286 has 32 divisors (see below), whose sum is σ = 9276288. Its totient is φ = 1283040.

The previous prime is 4238281. The next prime is 4238303. The reversal of 4238286 is 6828324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4821 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (289884).

Almost surely, 24238286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4238286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4638144).

4238286 is an abundant number, since it is smaller than the sum of its proper divisors (5038002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4238286 is a wasteful number, since it uses less digits than its factorization.

4238286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its digits is 18432, while the sum is 33.

The square root of 4238286 is about 2058.7097901356. The cubic root of 4238286 is about 161.8316342544.

The spelling of 4238286 in words is "four million, two hundred thirty-eight thousand, two hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 67 78 134 201 402 811 871 1622 1742 2433 2613 4866 5226 10543 21086 31629 54337 63258 108674 163011 326022 706381 1412762 2119143 4238286