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27397248 = 27371347
BaseRepresentation
bin110100010000…
…0110010000000
31220112220221220
41220200302000
524003202443
62415115040
7451605234
oct150406200
956486856
1027397248
1114512a5a
129212a80
1358a33b8
1438d25c4
152612a83
hex1a20c80

27397248 has 32 divisors (see below), whose sum is σ = 72774960. Its totient is φ = 9132288.

The previous prime is 27397241. The next prime is 27397261. The reversal of 27397248 is 84279372.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (27397241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35290 + ... + 36057.

Almost surely, 227397248 is an apocalyptic number.

It is an amenable number.

27397248 is an abundant number, since it is smaller than the sum of its proper divisors (45377712).

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

27397248 is an equidigital number, since it uses as much as digits as its factorization.

27397248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71364 (or 71352 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 27397248 is about 5234.2380534324. The cubic root of 27397248 is about 301.4641316593.

The spelling of 27397248 in words is "twenty-seven million, three hundred ninety-seven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 71347 142694 214041 285388 428082 570776 856164 1141552 1712328 2283104 3424656 4566208 6849312 9132416 13698624 27397248