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27288248 = 2313262387
BaseRepresentation
bin110100000011…
…0001010111000
31220100101102212
41220012022320
523441210443
62412514252
7450642401
oct150061270
956311385
1027288248
1114449079
12917b988
1358658c0
1438a49a8
1525e0618
hex1a062b8

27288248 has 16 divisors (see below), whose sum is σ = 55101480. Its totient is φ = 12594528.

The previous prime is 27288241. The next prime is 27288263. The reversal of 27288248 is 84288272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27288241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131090 + ... + 131297.

Almost surely, 227288248 is an apocalyptic number.

It is an amenable number.

27288248 is an abundant number, since it is smaller than the sum of its proper divisors (27813232).

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

27288248 is a wasteful number, since it uses less digits than its factorization.

27288248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262406 (or 262402 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 27288248 is about 5223.8154638157. The cubic root of 27288248 is about 301.0638084317.

The spelling of 27288248 in words is "twenty-seven million, two hundred eighty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 262387 524774 1049548 2099096 3411031 6822062 13644124 27288248