Search a number
-
+
28562652 = 22331747331
BaseRepresentation
bin110110011110…
…1010011011100
31222202010121000
41230331103130
524303001102
62500110300
7464531016
oct154752334
958663530
1028562652
11151395a8
129695390
135bc09a1
143b171b6
15279301c
hex1b3d4dc

28562652 has 96 divisors (see below), whose sum is σ = 80317440. Its totient is φ = 8743680.

The previous prime is 28562647. The next prime is 28562663. The reversal of 28562652 is 25626582.

28562652 is a `hidden beast` number, since 28 + 5 + 626 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (57600) is a multiple of the sum of its prime divisors (400).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86127 + ... + 86457.

It is an arithmetic number, because the mean of its divisors is an integer number (836640).

Almost surely, 228562652 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 28562652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40158720).

28562652 is an abundant number, since it is smaller than the sum of its proper divisors (51754788).

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

28562652 is a wasteful number, since it uses less digits than its factorization.

28562652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 400 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 28562652 is about 5344.4038021093. The cubic root of 28562652 is about 305.6794027886.

The spelling of 28562652 in words is "twenty-eight million, five hundred sixty-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 47 51 54 68 94 102 108 141 153 188 204 282 306 331 423 459 564 612 662 799 846 918 993 1269 1324 1598 1692 1836 1986 2397 2538 2979 3196 3972 4794 5076 5627 5958 7191 8937 9588 11254 11916 14382 15557 16881 17874 21573 22508 28764 31114 33762 35748 43146 46671 50643 62228 67524 86292 93342 101286 140013 151929 186684 202572 264469 280026 303858 420039 528938 560052 607716 793407 840078 1057876 1586814 1680156 2380221 3173628 4760442 7140663 9520884 14281326 28562652