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90827 = 1123359
BaseRepresentation
bin10110001011001011
311121120222
4112023023
510401302
61540255
7525542
oct261313
9147528
1090827
1162270
124468b
1332459
1425159
151bda2
hex162cb

90827 has 8 divisors (see below), whose sum is σ = 103680. Its totient is φ = 78760.

The previous prime is 90823. The next prime is 90833. The reversal of 90827 is 72809.

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

It is not a de Polignac number, because 90827 - 22 = 90823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 90796 and 90805.

It is not an unprimeable number, because it can be changed into a prime (90821) 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, 74 + ... + 432.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

290827 is an apocalyptic number.

90827 is a deficient number, since it is larger than the sum of its proper divisors (12853).

90827 is a wasteful number, since it uses less digits than its factorization.

90827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

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

The square root of 90827 is about 301.3751814599. The cubic root of 90827 is about 44.9508929326.

The spelling of 90827 in words is "ninety thousand, eight hundred twenty-seven".

Divisors: 1 11 23 253 359 3949 8257 90827