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4243212 = 2233101389
BaseRepresentation
bin10000001011111100001100
321222120121000
4100023330030
52041240322
6230540300
751031611
oct20137414
97876530
104243212
112438a96
121507690
13b5749c
147c6508
1558c3ac
hex40bf0c

4243212 has 48 divisors (see below), whose sum is σ = 11138400. Its totient is φ = 1396800.

The previous prime is 4243199. The next prime is 4243219. The reversal of 4243212 is 2123424.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4243219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10714 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (232050).

Almost surely, 24243212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569200).

4243212 is an abundant number, since it is smaller than the sum of its proper divisors (6895188).

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

4243212 is a wasteful number, since it uses less digits than its factorization.

4243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 495 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 4243212 is about 2059.9058230900. The cubic root of 4243212 is about 161.8943069154.

Adding to 4243212 its reverse (2123424), we get a palindrome (6366636).

The spelling of 4243212 in words is "four million, two hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 101 108 202 303 389 404 606 778 909 1167 1212 1556 1818 2334 2727 3501 3636 4668 5454 7002 10503 10908 14004 21006 39289 42012 78578 117867 157156 235734 353601 471468 707202 1060803 1414404 2121606 4243212