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85632 = 273223
BaseRepresentation
bin10100111010000000
311100110120
4110322000
510220012
61500240
7504441
oct247200
9140416
1085632
1159378
1241680
132cc91
14232c8
151a58c
hex14e80

85632 has 32 divisors (see below), whose sum is σ = 228480. Its totient is φ = 28416.

The previous prime is 85627. The next prime is 85639. The reversal of 85632 is 23658.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between even and odd.

Its product of digits (1440) is a multiple of the sum of its prime factors (240).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85632.

It is not an unprimeable number, because it can be changed into a prime (85639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (7140).

285632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114240).

85632 is an abundant number, since it is smaller than the sum of its proper divisors (142848).

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

85632 is a wasteful number, since it uses less digits than its factorization.

85632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 85632 is about 292.6294585308. The cubic root of 85632 is about 44.0770001571.

It can be divided in two parts, 856 and 32, that added together give a palindrome (888).

The spelling of 85632 in words is "eighty-five thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 223 384 446 669 892 1338 1784 2676 3568 5352 7136 10704 14272 21408 28544 42816 85632