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88689 = 3173747
BaseRepresentation
bin10101101001110001
311111122210
4111221301
510314224
61522333
7516366
oct255161
9144583
1088689
11606a7
12433a9
13314a3
142446d
151b429
hex15a71

88689 has 16 divisors (see below), whose sum is σ = 131328. Its totient is φ = 52992.

The previous prime is 88681. The next prime is 88721. The reversal of 88689 is 98688.

It is not a de Polignac number, because 88689 - 23 = 88681 is a prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (8208).

288689 is an apocalyptic number.

It is an amenable number.

88689 is a deficient number, since it is larger than the sum of its proper divisors (42639).

88689 is a wasteful number, since it uses less digits than its factorization.

88689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104.

The product of its digits is 27648, while the sum is 39.

The square root of 88689 is about 297.8069844715. The cubic root of 88689 is about 44.5953851794.

Subtracting 88689 from its reverse (98688), we obtain a palindrome (9999).

It can be divided in two parts, 88 and 689, that added together give a palindrome (777).

The spelling of 88689 in words is "eighty-eight thousand, six hundred eighty-nine".

Divisors: 1 3 17 37 47 51 111 141 629 799 1739 1887 2397 5217 29563 88689