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28441024 = 261921231
BaseRepresentation
bin110110001111…
…1100111000000
31222111221202021
41230133213000
524240103044
62453331224
7463513303
oct154374700
958457667
1028441024
1115066187
129636b14
135b7a511
143ac4b3a
15276be84
hex1b1f9c0

28441024 has 42 divisors (see below), whose sum is σ = 59612784. Its totient is φ = 13461120.

The previous prime is 28441013. The next prime is 28441033. The reversal of 28441024 is 42014482.

It is a self number, because there is not a number n which added to its sum of digits gives 28441024.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 22489 + ... + 23719.

It is an arithmetic number, because the mean of its divisors is an integer number (1419352).

Almost surely, 228441024 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 28441024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29806392).

28441024 is an abundant number, since it is smaller than the sum of its proper divisors (31171760).

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

28441024 is a wasteful number, since it uses less digits than its factorization.

28441024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 28441024 is about 5333.0126570260. The cubic root of 28441024 is about 305.2448951337.

The spelling of 28441024 in words is "twenty-eight million, four hundred forty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 361 608 722 1216 1231 1444 2462 2888 4924 5776 9848 11552 19696 23104 23389 39392 46778 78784 93556 187112 374224 444391 748448 888782 1496896 1777564 3555128 7110256 14220512 28441024