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312331052 = 221114814793
BaseRepresentation
bin10010100111011…
…100101100101100
3210202201001122202
4102213130230230
51114424043202
650554201032
710511525105
oct2247345454
9722631582
10312331052
11150336a40
1288723178
134c927697
142d6a33ac
151c647802
hex129dcb2c

312331052 has 24 divisors (see below), whose sum is σ = 596795472. Its totient is φ = 141843200.

The previous prime is 312331051. The next prime is 312331057. The reversal of 312331052 is 250133213.

It is not an unprimeable number, because it can be changed into a prime (312331051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62768 + ... + 67560.

It is an arithmetic number, because the mean of its divisors is an integer number (24866478).

Almost surely, 2312331052 is an apocalyptic number.

It is an amenable number.

312331052 is a deficient number, since it is larger than the sum of its proper divisors (284464420).

312331052 is a wasteful number, since it uses less digits than its factorization.

312331052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289 (or 6287 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 312331052 is about 17672.8903125663. The cubic root of 312331052 is about 678.4820899897.

Adding to 312331052 its reverse (250133213), we get a palindrome (562464265).

The spelling of 312331052 in words is "three hundred twelve million, three hundred thirty-one thousand, fifty-two".

Divisors: 1 2 4 11 22 44 1481 2962 4793 5924 9586 16291 19172 32582 52723 65164 105446 210892 7098433 14196866 28393732 78082763 156165526 312331052