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4028208 = 24383921
BaseRepresentation
bin1111010111011100110000
321120122122220
433113130300
52012400313
6222201040
746145022
oct17273460
97518586
104028208
1123014a8
121423180
13ab0672
1476c012
15548823
hex3d7730

4028208 has 20 divisors (see below), whose sum is σ = 10406328. Its totient is φ = 1342720.

The previous prime is 4028191. The next prime is 4028221. The reversal of 4028208 is 8028204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41913 + ... + 42008.

Almost surely, 24028208 is an apocalyptic number.

4028208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4028208 is an abundant number, since it is smaller than the sum of its proper divisors (6378120).

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

4028208 is a wasteful number, since it uses less digits than its factorization.

4028208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83932 (or 83926 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 4028208 is about 2007.0396109694. The cubic root of 4028208 is about 159.1123765514.

The spelling of 4028208 in words is "four million, twenty-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 83921 167842 251763 335684 503526 671368 1007052 1342736 2014104 4028208