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89303552569 = 7211238812
BaseRepresentation
bin101001100101011101…
…0000001001000111001
322112111201101111212001
41103022322001020321
52430343202140234
6105005301021001
76311011446400
oct1231272011071
9275451344761
1089303552569
1134967588900
12153836b4761
138562757bca
14447260a637
1524ca15bd14
hex14cae81239

89303552569 has 27 divisors (see below), whose sum is σ = 114215671983. Its totient is φ = 69569253600.

The previous prime is 89303552551. The next prime is 89303552579. The reversal of 89303552569 is 96525530398.

The square root of 89303552569 is 298837.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56281394169 + 33022158400 = 237237^2 + 181720^2 .

It is not a de Polignac number, because 89303552569 - 25 = 89303552537 is a prime.

It is a super-2 number, since 2×893035525692 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89303552549) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23008509 + ... + 23012389.

Almost surely, 289303552569 is an apocalyptic number.

89303552569 is the 298837-th square number.

89303552569 is the 149419-th centered octagonal number.

It is an amenable number.

89303552569 is a deficient number, since it is larger than the sum of its proper divisors (24912119414).

89303552569 is an frugal number, since it uses more digits than its factorization.

89303552569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 55.

The spelling of 89303552569 in words is "eighty-nine billion, three hundred three million, five hundred fifty-two thousand, five hundred sixty-nine".

Divisors: 1 7 11 49 77 121 539 847 3881 5929 27167 42691 190169 298837 469601 2091859 3287207 15062161 23010449 105435127 165683771 738045889 1159786397 1822521481 8118504779 12757650367 89303552569