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27477412 = 2225726729
BaseRepresentation
bin110100011010…
…0010110100100
31220200222220221
41220310112210
524013234122
62420534124
7452361034
oct150642644
956628827
1027477412
1114568206
129251344
135900a31
1439138c4
15262b6c7
hex1a345a4

27477412 has 12 divisors (see below), whose sum is σ = 48274380. Its totient is φ = 13684736.

The previous prime is 27477409. The next prime is 27477431. The reversal of 27477412 is 21477472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23580736 + 3896676 = 4856^2 + 1974^2 .

It is an unprimeable number.

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, 12337 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (4022865).

Almost surely, 227477412 is an apocalyptic number.

It is an amenable number.

27477412 is a deficient number, since it is larger than the sum of its proper divisors (20796968).

27477412 is a wasteful number, since it uses less digits than its factorization.

27477412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26990 (or 26988 counting only the distinct ones).

The product of its digits is 21952, while the sum is 34.

The square root of 27477412 is about 5241.8901171238. The cubic root of 27477412 is about 301.7578720930.

It can be divided in two parts, 27477 and 412, that added together give a square (27889 = 1672).

The spelling of 27477412 in words is "twenty-seven million, four hundred seventy-seven thousand, four hundred twelve".

Divisors: 1 2 4 257 514 1028 26729 53458 106916 6869353 13738706 27477412