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27674440 = 2353372053
BaseRepresentation
bin110100110010…
…0011101001000
31221002000012021
41221210131020
524041040230
62425054224
7454141333
oct151443510
957060167
1027674440
1114692242
129327374
13596c611
14396561a
152669c7a
hex1a64748

27674440 has 32 divisors (see below), whose sum is σ = 62482680. Its totient is φ = 11031552.

The previous prime is 27674407. The next prime is 27674447. The reversal of 27674440 is 4447672.

It can be written as a sum of positive squares in 4 ways, for example, as 19483396 + 8191044 = 4414^2 + 2862^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27674396 and 27674405.

It is not an unprimeable number, because it can be changed into a prime (27674447) 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 7 ways as a sum of consecutive naturals, for example, 12454 + ... + 14506.

Almost surely, 227674440 is an apocalyptic number.

27674440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27674440 is an abundant number, since it is smaller than the sum of its proper divisors (34808240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27674440 is a wasteful number, since it uses less digits than its factorization.

27674440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 27674440 is about 5260.6501499339. The cubic root of 27674440 is about 302.4774110583.

The spelling of 27674440 in words is "twenty-seven million, six hundred seventy-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 337 674 1348 1685 2053 2696 3370 4106 6740 8212 10265 13480 16424 20530 41060 82120 691861 1383722 2767444 3459305 5534888 6918610 13837220 27674440