Search a number
-
+
27311012 = 2226092617
BaseRepresentation
bin110100000101…
…1101110100100
31220101112122222
41220023232210
523442423022
62413211512
7451065641
oct150135644
956345588
1027311012
1114464193
129190b98
135873081
1438acdc8
1525e7242
hex1a0bba4

27311012 has 12 divisors (see below), whose sum is σ = 47830860. Its totient is φ = 13645056.

The previous prime is 27310973. The next prime is 27311017. The reversal of 27311012 is 21011372.

It can be written as a sum of positive squares in 2 ways, for example, as 21473956 + 5837056 = 4634^2 + 2416^2 .

It is not an unprimeable number, because it can be changed into a prime (27311017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9128 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (3985905).

Almost surely, 227311012 is an apocalyptic number.

It is an amenable number.

27311012 is a deficient number, since it is larger than the sum of its proper divisors (20519848).

27311012 is a wasteful number, since it uses less digits than its factorization.

27311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 27311012 is about 5225.9938767664. The cubic root of 27311012 is about 301.1475015011.

Adding to 27311012 its reverse (21011372), we get a palindrome (48322384).

The spelling of 27311012 in words is "twenty-seven million, three hundred eleven thousand, twelve".

Divisors: 1 2 4 2609 2617 5218 5234 10436 10468 6827753 13655506 27311012