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4442142 = 235361229
BaseRepresentation
bin10000111100100000011110
322100200110210
4100330200132
52114122032
6235113250
752520565
oct20744036
98320423
104442142
1125644a1
1215a2826
13bc6bb3
14838bdc
155cb2cc
hex43c81e

4442142 has 32 divisors (see below), whose sum is σ = 9240480. Its totient is φ = 1422720.

The previous prime is 4442131. The next prime is 4442159. The reversal of 4442142 is 2412444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19284 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (288765).

Almost surely, 24442142 is an apocalyptic number.

4442142 is an abundant number, since it is smaller than the sum of its proper divisors (4798338).

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

4442142 is a wasteful number, since it uses less digits than its factorization.

4442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 1024, while the sum is 21.

The square root of 4442142 is about 2107.6389633901. The cubic root of 4442142 is about 164.3857418031.

Adding to 4442142 its reverse (2412444), we get a palindrome (6854586).

The spelling of 4442142 in words is "four million, four hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 53 61 106 122 159 183 229 318 366 458 687 1374 3233 6466 9699 12137 13969 19398 24274 27938 36411 41907 72822 83814 740357 1480714 2221071 4442142