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92808 = 23321289
BaseRepresentation
bin10110101010001000
311201022100
4112222020
510432213
61553400
7534402
oct265210
9151270
1092808
1163801
1245860
1333321
1425b72
151c773
hex16a88

92808 has 24 divisors (see below), whose sum is σ = 251550. Its totient is φ = 30912.

The previous prime is 92801. The next prime is 92809. The reversal of 92808 is 80829.

It can be written as a sum of positive squares in only one way, i.e., 66564 + 26244 = 258^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×928082 = 17226649728, which contains 22 as substring.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (92801) by changing a digit.

92808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573 + ... + 716.

292808 is an apocalyptic number.

It is an amenable number.

92808 is an abundant number, since it is smaller than the sum of its proper divisors (158742).

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

92808 is a wasteful number, since it uses less digits than its factorization.

92808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 92808 is about 304.6440545949. The cubic root of 92808 is about 45.2753487795.

It can be divided in two parts, 92 and 808, that added together give a square (900 = 302).

The spelling of 92808 in words is "ninety-two thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1289 2578 3867 5156 7734 10312 11601 15468 23202 30936 46404 92808