Search a number
-
+
27684148 = 226921037
BaseRepresentation
bin110100110011…
…0110100110100
31221002111111211
41221212310310
524041343043
62425211204
7454211542
oct151466464
957074454
1027684148
1114699568
129330b04
135973b6b
143968d92
15266ca9d
hex1a66d34

27684148 has 6 divisors (see below), whose sum is σ = 48447266. Its totient is φ = 13842072.

The previous prime is 27684119. The next prime is 27684187. The reversal of 27684148 is 84148672.

It can be written as a sum of positive squares in only one way, i.e., 19607184 + 8076964 = 4428^2 + 2842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27684148.

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 as a sum of consecutive naturals, namely, 3460515 + ... + 3460522.

Almost surely, 227684148 is an apocalyptic number.

It is an amenable number.

27684148 is a deficient number, since it is larger than the sum of its proper divisors (20763118).

27684148 is a wasteful number, since it uses less digits than its factorization.

27684148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921041 (or 6921039 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 27684148 is about 5261.5727686691. The cubic root of 27684148 is about 302.5127759101.

The spelling of 27684148 in words is "twenty-seven million, six hundred eighty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 6921037 13842074 27684148