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89028975 = 35272373101
BaseRepresentation
bin1010100111001…
…11100101101111
320012112010210110
411103213211233
5140242411400
612500111103
72130506460
oct523474557
9205463713
1089028975
1146288872
1225995493
13155a1c89
14bb76d67
157c38e50
hex54e796f

89028975 has 96 divisors (see below), whose sum is σ = 179702784. Its totient is φ = 38016000.

The previous prime is 89028967. The next prime is 89028991. The reversal of 89028975 is 57982098.

It is a happy number.

It is not a de Polignac number, because 89028975 - 23 = 89028967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 881425 + ... + 881525.

It is an arithmetic number, because the mean of its divisors is an integer number (1871904).

Almost surely, 289028975 is an apocalyptic number.

89028975 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

89028975 is a wasteful number, since it uses less digits than its factorization.

89028975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 89028975 is about 9435.5166790166. The cubic root of 89028975 is about 446.5229559827.

The spelling of 89028975 in words is "eighty-nine million, twenty-eight thousand, nine hundred seventy-five".

Divisors: 1 3 5 7 15 21 23 25 35 69 73 75 101 105 115 161 175 219 303 345 365 483 505 511 525 575 707 805 1095 1515 1533 1679 1725 1825 2121 2323 2415 2525 2555 3535 4025 5037 5475 6969 7373 7575 7665 8395 10605 11615 11753 12075 12775 16261 17675 22119 25185 34845 35259 36865 38325 41975 48783 51611 53025 58075 58765 81305 110595 125925 154833 169579 174225 176295 184325 243915 258055 293825 406525 508737 552975 774165 847895 881475 1187053 1219575 1290275 2543685 3561159 3870825 4239475 5935265 12718425 17805795 29676325 89028975