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2028884 = 2211133547
BaseRepresentation
bin111101111010101010100
310211002002212
413233111110
51004411014
6111252552
723150054
oct7572524
93732085
102028884
111166370
1281a158
13560630
143ab564
152a123e
hex1ef554

2028884 has 24 divisors (see below), whose sum is σ = 4172448. Its totient is φ = 851040.

The previous prime is 2028881. The next prime is 2028907. The reversal of 2028884 is 4888202.

It is a super-3 number, since 3×20288843 = 25054913430711333312, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028881) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (173852).

22028884 is an apocalyptic number.

It is an amenable number.

2028884 is an abundant number, since it is smaller than the sum of its proper divisors (2143564).

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

2028884 is a wasteful number, since it uses less digits than its factorization.

2028884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 2028884 is about 1424.3889918137. The cubic root of 2028884 is about 126.5957343702.

The spelling of 2028884 in words is "two million, twenty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 3547 7094 14188 39017 46111 78034 92222 156068 184444 507221 1014442 2028884