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27868056 = 2331161169
BaseRepresentation
bin110101001001…
…1101110011000
31221102211210020
41222103232120
524113234211
62433150440
7455605656
oct152235630
957384706
1027868056
1114804757
1293bb420
135a09798
1439b5dd6
1526a7306
hex1a93b98

27868056 has 16 divisors (see below), whose sum is σ = 69670200. Its totient is φ = 9289344.

The previous prime is 27868037. The next prime is 27868073. The reversal of 27868056 is 65086872.

It is a junction number, because it is equal to n+sod(n) for n = 27867999 and 27868017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580561 + ... + 580608.

Almost surely, 227868056 is an apocalyptic number.

It is an amenable number.

27868056 is an abundant number, since it is smaller than the sum of its proper divisors (41802144).

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

27868056 is a wasteful number, since it uses less digits than its factorization.

27868056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161178 (or 1161174 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 27868056 is about 5279.0203636660. The cubic root of 27868056 is about 303.1811701768.

The spelling of 27868056 in words is "twenty-seven million, eight hundred sixty-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 1161169 2322338 3483507 4644676 6967014 9289352 13934028 27868056