Search a number
-
+
27842836 = 2273132077
BaseRepresentation
bin110101000110…
…1100100010100
31221101120012011
41222031210110
524111432321
62432434004
7455442310
oct152154424
957346164
1027842836
111479780a
1293a8904
1359cb168
1439aab40
15269eae1
hex1a8d914

27842836 has 24 divisors (see below), whose sum is σ = 57483776. Its totient is φ = 11547360.

The previous prime is 27842827. The next prime is 27842869. The reversal of 27842836 is 63824872.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15171 + ... + 16906.

Almost surely, 227842836 is an apocalyptic number.

It is an amenable number.

27842836 is an abundant number, since it is smaller than the sum of its proper divisors (29640940).

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

27842836 is a wasteful number, since it uses less digits than its factorization.

27842836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32119 (or 32117 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 27842836 is about 5276.6311222218. The cubic root of 27842836 is about 303.0896850629.

The spelling of 27842836 in words is "twenty-seven million, eight hundred forty-two thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 32077 64154 128308 224539 449078 898156 994387 1988774 3977548 6960709 13921418 27842836