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27285916 = 227974497
BaseRepresentation
bin110100000010…
…1100110011100
31220100021020111
41220011212130
523441122131
62412455404
7450632530
oct150054634
956307214
1027285916
1114447349
12917a564
135864818
1438a3bc0
1525deab1
hex1a0599c

27285916 has 12 divisors (see below), whose sum is σ = 54571888. Its totient is φ = 11693952.

The previous prime is 27285899. The next prime is 27285917. The reversal of 27285916 is 61958272.

27285916 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27285917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487221 + ... + 487276.

Almost surely, 227285916 is an apocalyptic number.

It is an amenable number.

27285916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27285916 is a wasteful number, since it uses less digits than its factorization.

27285916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974508 (or 974506 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 27285916 is about 5223.5922505494. The cubic root of 27285916 is about 301.0552320804.

The spelling of 27285916 in words is "twenty-seven million, two hundred eighty-five thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 974497 1948994 3897988 6821479 13642958 27285916