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80927 = 7111051
BaseRepresentation
bin10011110000011111
311010000022
4103300133
510042202
61422355
7454640
oct236037
9133008
1080927
1155890
123a9bb
132aab2
14216c7
1518ea2
hex13c1f

80927 has 8 divisors (see below), whose sum is σ = 100992. Its totient is φ = 63000.

The previous prime is 80923. The next prime is 80929. The reversal of 80927 is 72908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80927 - 22 = 80923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80896 and 80905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (12624).

280927 is an apocalyptic number.

80927 is a deficient number, since it is larger than the sum of its proper divisors (20065).

80927 is a wasteful number, since it uses less digits than its factorization.

80927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 80927 is about 284.4767125794. The cubic root of 80927 is about 43.2544851508.

It can be divided in two parts, 8092 and 7, that multiplied together give a square (56644 = 2382).

The spelling of 80927 in words is "eighty thousand, nine hundred twenty-seven".

Divisors: 1 7 11 77 1051 7357 11561 80927