Search a number
-
+
311004132 = 22325917011
BaseRepresentation
bin10010100010011…
…000101111100100
3210200012122110120
4102202120233210
51114104113012
650505521540
710464330405
oct2242305744
9720178416
10311004132
1114a61000a
12881a32b0
134c58171a
142d4399ac
151c48458c
hex12898be4

311004132 has 12 divisors (see below), whose sum is σ = 725676336. Its totient is φ = 103668040.

The previous prime is 311004131. The next prime is 311004139. The reversal of 311004132 is 231400113.

311004132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (311004131) by changing a digit.

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, 12958494 + ... + 12958517.

It is an arithmetic number, because the mean of its divisors is an integer number (60473028).

Almost surely, 2311004132 is an apocalyptic number.

It is an amenable number.

311004132 is an abundant number, since it is smaller than the sum of its proper divisors (414672204).

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

311004132 is a wasteful number, since it uses less digits than its factorization.

311004132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25917018 (or 25917016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 311004132 is about 17635.3092402713. The cubic root of 311004132 is about 677.5198957497.

Adding to 311004132 its reverse (231400113), we get a palindrome (542404245).

The spelling of 311004132 in words is "three hundred eleven million, four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 25917011 51834022 77751033 103668044 155502066 311004132