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4251872 = 252353109
BaseRepresentation
bin10000001110000011100000
322000000110202
4100032003200
52042024442
6231044332
751066062
oct20160340
98000422
104251872
112444549
1215106a8
13b5b401
147c9732
1558ec32
hex40e0e0

4251872 has 48 divisors (see below), whose sum is σ = 8981280. Its totient is φ = 1976832.

The previous prime is 4251869. The next prime is 4251889. The reversal of 4251872 is 2781524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38954 + ... + 39062.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

Almost surely, 24251872 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 4251872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4490640).

4251872 is an abundant number, since it is smaller than the sum of its proper divisors (4729408).

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

4251872 is a wasteful number, since it uses less digits than its factorization.

4251872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 187 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4251872 is about 2062.0067895136. The cubic root of 4251872 is about 162.0043691348.

The spelling of 4251872 in words is "four million, two hundred fifty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 23 32 46 53 92 106 109 184 212 218 368 424 436 736 848 872 1219 1696 1744 2438 2507 3488 4876 5014 5777 9752 10028 11554 19504 20056 23108 39008 40112 46216 80224 92432 132871 184864 265742 531484 1062968 2125936 4251872