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4025872 = 241719241
BaseRepresentation
bin1111010110111000010000
321120112110101
433112320100
52012311442
6222142144
746135144
oct17267020
97515411
104025872
1122aa774
121421954
13aac596
1476b224
15547cb7
hex3d6e10

4025872 has 60 divisors (see below), whose sum is σ = 8929116. Its totient is φ = 1751040.

The previous prime is 4025863. The next prime is 4025873. The reversal of 4025872 is 2785204.

4025872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 2547216 = 1216^2 + 1596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4025872.

It is not an unprimeable number, because it can be changed into a prime (4025873) 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 11 ways as a sum of consecutive naturals, for example, 98172 + ... + 98212.

Almost surely, 24025872 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 4025872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464558).

4025872 is an abundant number, since it is smaller than the sum of its proper divisors (4903244).

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

4025872 is a wasteful number, since it uses less digits than its factorization.

4025872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4025872 is about 2006.4575749315. The cubic root of 4025872 is about 159.0816136263.

The spelling of 4025872 in words is "four million, twenty-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 17 19 34 38 41 68 76 82 136 152 164 272 304 323 328 361 646 656 697 722 779 1292 1394 1444 1558 2584 2788 2888 3116 5168 5576 5776 6137 6232 11152 12274 12464 13243 14801 24548 26486 29602 49096 52972 59204 98192 105944 118408 211888 236816 251617 503234 1006468 2012936 4025872