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312143324 = 221719241597
BaseRepresentation
bin10010100110101…
…110110111011100
3210202100112010212
4102212232313130
51114402041244
650550151552
710510113563
oct2246566734
9722315125
10312143324
11150218999
12886525b8
134c8900bc
142d654bda
151c60bd9e
hex129aeddc

312143324 has 24 divisors (see below), whose sum is σ = 608826960. Its totient is φ = 139159296.

The previous prime is 312143317. The next prime is 312143333. The reversal of 312143324 is 423341213.

312143324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 312143324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119507 + ... + 122090.

It is an arithmetic number, because the mean of its divisors is an integer number (25367790).

Almost surely, 2312143324 is an apocalyptic number.

312143324 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312143324 is a deficient number, since it is larger than the sum of its proper divisors (296683636).

312143324 is a wasteful number, since it uses less digits than its factorization.

312143324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241637 (or 241635 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 312143324 is about 17667.5783286788. The cubic root of 312143324 is about 678.3461278300.

Adding to 312143324 its reverse (423341213), we get a palindrome (735484537).

The spelling of 312143324 in words is "three hundred twelve million, one hundred forty-three thousand, three hundred twenty-four".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 241597 483194 966388 4107149 4590343 8214298 9180686 16428596 18361372 78035831 156071662 312143324