Search a number
-
+
28589792 = 2571141283
BaseRepresentation
bin110110100001…
…1111011100000
31222210111211012
41231003323200
524304333132
62500440052
7465003110
oct155037340
958714735
1028589792
1115157a30
1296a9028
135c0014a
143b23040
15279b0b2
hex1b43ee0

28589792 has 96 divisors (see below), whose sum is σ = 72140544. Its totient is φ = 10828800.

The previous prime is 28589779. The next prime is 28589809. The reversal of 28589792 is 29798582.

28589792 is nontrivially palindromic in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 28589792.

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 15 ways as a sum of consecutive naturals, for example, 100883 + ... + 101165.

It is an arithmetic number, because the mean of its divisors is an integer number (751464).

Almost surely, 228589792 is an apocalyptic number.

28589792 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 28589792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36070272).

28589792 is an abundant number, since it is smaller than the sum of its proper divisors (43550752).

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

28589792 is a wasteful number, since it uses less digits than its factorization.

28589792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 344 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 28589792 is about 5346.9423037845. The cubic root of 28589792 is about 305.7761901684.

The spelling of 28589792 in words is "twenty-eight million, five hundred eighty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 41 44 56 77 82 88 112 154 164 176 224 283 287 308 328 352 451 566 574 616 656 902 1132 1148 1232 1312 1804 1981 2264 2296 2464 3113 3157 3608 3962 4528 4592 6226 6314 7216 7924 9056 9184 11603 12452 12628 14432 15848 21791 23206 24904 25256 31696 43582 46412 49808 50512 63392 81221 87164 92824 99616 101024 127633 162442 174328 185648 255266 324884 348656 371296 510532 649768 697312 893431 1021064 1299536 1786862 2042128 2599072 3573724 4084256 7147448 14294896 28589792