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89079263 = 7131974969
BaseRepresentation
bin1010100111100…
…11110111011111
320012121200202222
411103303313133
5140301014023
612501135555
72131106210
oct523636737
9205550688
1089079263
1146312629
12259ba5bb
13155bbb30
14bb8b407
157c48cc8
hex54f3ddf

89079263 has 16 divisors (see below), whose sum is σ = 110214720. Its totient is φ = 70108416.

The previous prime is 89079259. The next prime is 89079293. The reversal of 89079263 is 36297098.

It is not a de Polignac number, because 89079263 - 22 = 89079259 is a prime.

It is a super-3 number, since 3×890792633 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89079223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15443 + ... + 20411.

It is an arithmetic number, because the mean of its divisors is an integer number (6888420).

Almost surely, 289079263 is an apocalyptic number.

89079263 is a deficient number, since it is larger than the sum of its proper divisors (21135457).

89079263 is a wasteful number, since it uses less digits than its factorization.

89079263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 89079263 is about 9438.1811277385. The cubic root of 89079263 is about 446.6070129611.

The spelling of 89079263 in words is "eighty-nine million, seventy-nine thousand, two hundred sixty-three".

Divisors: 1 7 13 91 197 1379 2561 4969 17927 34783 64597 452179 978893 6852251 12725609 89079263