Search a number
-
+
27040388 = 2253127549
BaseRepresentation
bin110011100100…
…1101010000100
31212212210102212
41213021222010
523410243023
62403322552
7445560644
oct147115204
955783385
1027040388
1114299931
129080458
1357a9b3b
14383c524
152591e78
hex19c9a84

27040388 has 12 divisors (see below), whose sum is σ = 48213900. Its totient is φ = 13264992.

The previous prime is 27040381. The next prime is 27040411. The reversal of 27040388 is 88304072.

It can be written as a sum of positive squares in 2 ways, for example, as 24581764 + 2458624 = 4958^2 + 1568^2 .

It is not an unprimeable number, because it can be changed into a prime (27040381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63563 + ... + 63986.

It is an arithmetic number, because the mean of its divisors is an integer number (4017825).

Almost surely, 227040388 is an apocalyptic number.

It is an amenable number.

27040388 is a deficient number, since it is larger than the sum of its proper divisors (21173512).

27040388 is a wasteful number, since it uses less digits than its factorization.

27040388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127606 (or 127604 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 27040388 is about 5200.0373075585. The cubic root of 27040388 is about 300.1495106613.

The spelling of 27040388 in words is "twenty-seven million, forty thousand, three hundred eighty-eight".

Divisors: 1 2 4 53 106 212 127549 255098 510196 6760097 13520194 27040388