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27834427 = 13721483
BaseRepresentation
bin110101000101…
…1100000111011
31221101010122201
41222023200323
524111200202
62432331031
7455405635
oct152134073
957333581
1027834427
1114791465
1293a3a77
1359c739a
1439a7a55
15269c387
hex1a8b83b

27834427 has 6 divisors (see below), whose sum is σ = 28057988. Its totient is φ = 27612624.

The previous prime is 27834409. The next prime is 27834431. The reversal of 27834427 is 72443872.

It is not a de Polignac number, because 27834427 - 211 = 27832379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27834407) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18028 + ... + 19510.

Almost surely, 227834427 is an apocalyptic number.

27834427 is a deficient number, since it is larger than the sum of its proper divisors (223561).

27834427 is an equidigital number, since it uses as much as digits as its factorization.

27834427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1620 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 27834427 is about 5275.8342468277. The cubic root of 27834427 is about 303.0591692804.

The spelling of 27834427 in words is "twenty-seven million, eight hundred thirty-four thousand, four hundred twenty-seven".

Divisors: 1 137 1483 18769 203171 27834427