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4242812 = 227221647
BaseRepresentation
bin10000001011110101111100
321222120001012
4100023311330
52041232222
6230534352
751030500
oct20136574
97876035
104242812
112438762
1215073b8
13b57252
147c6300
1558c1e2
hex40bd7c

4242812 has 18 divisors (see below), whose sum is σ = 8637552. Its totient is φ = 1818264.

The previous prime is 4242781. The next prime is 4242829. The reversal of 4242812 is 2182424.

It is a happy number.

4242812 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

4242812 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10628 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (479864).

Almost surely, 24242812 is an apocalyptic number.

It is an amenable number.

4242812 is an abundant number, since it is smaller than the sum of its proper divisors (4394740).

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

4242812 is a wasteful number, since it uses less digits than its factorization.

4242812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21665 (or 21656 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 4242812 is about 2059.8087289843. The cubic root of 4242812 is about 161.8892195933.

The spelling of 4242812 in words is "four million, two hundred forty-two thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 21647 43294 86588 151529 303058 606116 1060703 2121406 4242812