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2027872 = 25711823
BaseRepresentation
bin111101111000101100000
310211000201101
413233011200
51004342442
6111244144
723144110
oct7570540
93730641
102027872
111165630
12819654
13560032
143ab040
152a0cb7
hex1ef160

2027872 has 48 divisors (see below), whose sum is σ = 4983552. Its totient is φ = 789120.

The previous prime is 2027869. The next prime is 2027873. The reversal of 2027872 is 2787202.

It is a super-2 number, since 2×20278722 = 8224529696768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2027872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027873) 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 7 ways as a sum of consecutive naturals, for example, 2053 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (103824).

22027872 is an apocalyptic number.

2027872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2027872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491776).

2027872 is an abundant number, since it is smaller than the sum of its proper divisors (2955680).

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

2027872 is a wasteful number, since it uses less digits than its factorization.

2027872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 2027872 is about 1424.0337074662. The cubic root of 2027872 is about 126.5746823715.

The spelling of 2027872 in words is "two million, twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 154 176 224 308 352 616 823 1232 1646 2464 3292 5761 6584 9053 11522 13168 18106 23044 26336 36212 46088 63371 72424 92176 126742 144848 184352 253484 289696 506968 1013936 2027872