Search a number
-
+
4028892 = 223747963
BaseRepresentation
bin1111010111100111011100
321120200121020
433113213130
52012411032
6222204140
746150020
oct17274734
97520536
104028892
112301a6a
121423650
13ab0a7a
1476c380
15548b2c
hex3d79dc

4028892 has 24 divisors (see below), whose sum is σ = 10743936. Its totient is φ = 1151088.

The previous prime is 4028891. The next prime is 4028917. The reversal of 4028892 is 2988204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23898 + ... + 24065.

It is an arithmetic number, because the mean of its divisors is an integer number (447664).

Almost surely, 24028892 is an apocalyptic number.

4028892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4028892 is an abundant number, since it is smaller than the sum of its proper divisors (6715044).

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

4028892 is a wasteful number, since it uses less digits than its factorization.

4028892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47977 (or 47975 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 4028892 is about 2007.2100039607. The cubic root of 4028892 is about 159.1213819376.

The spelling of 4028892 in words is "four million, twenty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 47963 95926 143889 191852 287778 335741 575556 671482 1007223 1342964 2014446 4028892