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89760528 = 243311131453
BaseRepresentation
bin1010101100110…
…10001100010000
320020220022022000
411112122030100
5140434314103
612523514000
72136644334
oct526321420
9206808260
1089760528
1146738460
1226088900
1315799c50
14bcc77c4
157d30aa3
hex559a310

89760528 has 160 divisors (see below), whose sum is σ = 302897280. Its totient is φ = 25090560.

The previous prime is 89760499. The next prime is 89760529. The reversal of 89760528 is 82506798.

It is not an unprimeable number, because it can be changed into a prime (89760529) 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 31 ways as a sum of consecutive naturals, for example, 61050 + ... + 62502.

It is an arithmetic number, because the mean of its divisors is an integer number (1893108).

Almost surely, 289760528 is an apocalyptic number.

89760528 is a gapful number since it is divisible by the number (88) 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 89760528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151448640).

89760528 is an abundant number, since it is smaller than the sum of its proper divisors (213136752).

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

89760528 is a wasteful number, since it uses less digits than its factorization.

89760528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 89760528 is about 9474.2032910425. The cubic root of 89760528 is about 447.7426508786.

It can be divided in two parts, 897 and 60528, that added together give a triangular number (61425 = T350).

The spelling of 89760528 in words is "eighty-nine million, seven hundred sixty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 33 36 39 44 48 52 54 66 72 78 88 99 104 108 117 132 143 144 156 176 198 208 216 234 264 286 297 312 351 396 429 432 468 528 572 594 624 702 792 858 936 1144 1188 1287 1404 1453 1584 1716 1872 2288 2376 2574 2808 2906 3432 3861 4359 4752 5148 5616 5812 6864 7722 8718 10296 11624 13077 15444 15983 17436 18889 20592 23248 26154 30888 31966 34872 37778 39231 47949 52308 56667 61776 63932 69744 75556 78462 95898 104616 113334 127864 143847 151112 156924 170001 191796 207779 209232 226668 255728 287694 302224 313848 340002 383592 415558 431541 453336 510003 575388 623337 627696 680004 767184 831116 863082 906672 1020006 1150776 1246674 1360008 1662232 1726164 1870011 2040012 2301552 2493348 2720016 3324464 3452328 3740022 4080024 4986696 5610033 6904656 7480044 8160048 9973392 11220066 14960088 22440132 29920176 44880264 89760528