Search a number
-
+
311044464 = 24322160031
BaseRepresentation
bin10010100010100…
…010100101110000
3210200021200210100
4102202202211300
51114111410324
650510432400
710464556113
oct2242424560
9720250710
10311044464
1114a638345
1288202700
134c596ba3
142d44a57a
151c4914c9
hex128a2970

311044464 has 30 divisors (see below), whose sum is σ = 870492896. Its totient is φ = 103681440.

The previous prime is 311044441. The next prime is 311044469. The reversal of 311044464 is 464440113.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311044469) 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 5 ways as a sum of consecutive naturals, for example, 1079872 + ... + 1080159.

Almost surely, 2311044464 is an apocalyptic number.

It is an amenable number.

311044464 is an abundant number, since it is smaller than the sum of its proper divisors (559448432).

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

311044464 is a wasteful number, since it uses less digits than its factorization.

311044464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160045 (or 2160036 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 311044464 is about 17636.4527045548. The cubic root of 311044464 is about 677.5491821252.

Adding to 311044464 its reverse (464440113), we get a palindrome (775484577).

It can be divided in two parts, 3110 and 44464, that added together give a palindrome (47574).

The spelling of 311044464 in words is "three hundred eleven million, forty-four thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2160031 4320062 6480093 8640124 12960186 17280248 19440279 25920372 34560496 38880558 51840744 77761116 103681488 155522232 311044464