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27969852 = 2238926189
BaseRepresentation
bin110101010110…
…0100100111100
31221122000102110
41222230210330
524130013402
62435254020
7456511521
oct152544474
957560373
1027969852
1114874189
12944a310
135a43c11
143a01148
1526c756c
hex1aac93c

27969852 has 24 divisors (see below), whose sum is σ = 65998800. Its totient is φ = 9218176.

The previous prime is 27969827. The next prime is 27969869. The reversal of 27969852 is 25896972.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 12027 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (2749950).

Almost surely, 227969852 is an apocalyptic number.

It is an amenable number.

27969852 is an abundant number, since it is smaller than the sum of its proper divisors (38028948).

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

27969852 is a wasteful number, since it uses less digits than its factorization.

27969852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26285 (or 26283 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 27969852 is about 5288.6531366691. The cubic root of 27969852 is about 303.5498734249.

The spelling of 27969852 in words is "twenty-seven million, nine hundred sixty-nine thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 26189 52378 78567 104756 157134 314268 2330821 4661642 6992463 9323284 13984926 27969852