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27384442 = 213692221
BaseRepresentation
bin110100001110…
…1101001111010
31220112021101121
41220131221322
524002300232
62414535454
7451523011
oct150355172
956467347
1027384442
1114504378
12920758a
13589a617
1438cba78
15260dd97
hex1a1da7a

27384442 has 4 divisors (see below), whose sum is σ = 41076666. Its totient is φ = 13692220.

The previous prime is 27384419. The next prime is 27384443. The reversal of 27384442 is 24448372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16088121 + 11296321 = 4011^2 + 3361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27384398 and 27384407.

It is not an unprimeable number, because it can be changed into a prime (27384443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6846109 + ... + 6846112.

Almost surely, 227384442 is an apocalyptic number.

27384442 is a deficient number, since it is larger than the sum of its proper divisors (13692224).

27384442 is a wasteful number, since it uses less digits than its factorization.

27384442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13692223.

The product of its digits is 43008, while the sum is 34.

The square root of 27384442 is about 5233.0146187451. The cubic root of 27384442 is about 301.4171542971.

The spelling of 27384442 in words is "twenty-seven million, three hundred eighty-four thousand, four hundred forty-two".

Divisors: 1 2 13692221 27384442