Search a number
-
+
27841996 = 227413223
BaseRepresentation
bin110101000110…
…1010111001100
31221101112001001
41222031113030
524111420441
62432430044
7455440000
oct152152714
957345031
1027841996
1114797116
1293a8324
1359ca970
1439aa700
15269e731
hex1a8d5cc

27841996 has 60 divisors (see below), whose sum is σ = 61487552. Its totient is φ = 10965024.

The previous prime is 27841967. The next prime is 27842021. The reversal of 27841996 is 69914872.

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 in 19 ways as a sum of consecutive naturals, for example, 124741 + ... + 124963.

Almost surely, 227841996 is an apocalyptic number.

27841996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27841996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30743776).

27841996 is an abundant number, since it is smaller than the sum of its proper divisors (33645556).

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

27841996 is a wasteful number, since it uses less digits than its factorization.

27841996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 245 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 27841996 is about 5276.5515253809. The cubic root of 27841996 is about 303.0866370269.

The spelling of 27841996 in words is "twenty-seven million, eight hundred forty-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 223 343 364 446 637 686 892 1274 1372 1561 2401 2548 2899 3122 4459 4802 5798 6244 8918 9604 10927 11596 17836 20293 21854 31213 40586 43708 62426 76489 81172 124852 142051 152978 284102 305956 535423 568204 994357 1070846 1988714 2141692 3977428 6960499 13920998 27841996