Search a number
-
+
27740112 = 243577919
BaseRepresentation
bin110100111010…
…0011111010000
31221012100021120
41221310133100
524100140422
62430322240
7454533651
oct151643720
957170246
1027740112
1114727614
129359380
13599348a
143981528
15267e45c
hex1a747d0

27740112 has 20 divisors (see below), whose sum is σ = 71662080. Its totient is φ = 9246688.

The previous prime is 27740101. The next prime is 27740129. The reversal of 27740112 is 21104772.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 288912 + ... + 289007.

It is an arithmetic number, because the mean of its divisors is an integer number (3583104).

Almost surely, 227740112 is an apocalyptic number.

It is an amenable number.

27740112 is an abundant number, since it is smaller than the sum of its proper divisors (43921968).

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

27740112 is a wasteful number, since it uses less digits than its factorization.

27740112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577930 (or 577924 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 27740112 is about 5266.8882653802. Note that the first 3 decimals coincide. The cubic root of 27740112 is about 302.7164836999.

Adding to 27740112 its reverse (21104772), we get a palindrome (48844884).

The spelling of 27740112 in words is "twenty-seven million, seven hundred forty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 577919 1155838 1733757 2311676 3467514 4623352 6935028 9246704 13870056 27740112