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312530342 = 2374223383
BaseRepresentation
bin10010101000001…
…101010110100110
3210210002012000212
4102220031112212
51120001432332
651002335422
710513315115
oct2250152646
9723065025
10312530342
11150462743
12887ba572
134c9972c7
142d715c7c
151c6868b2
hex12a0d5a6

312530342 has 8 divisors (see below), whose sum is σ = 481465776. Its totient is φ = 152041752.

The previous prime is 312530333. The next prime is 312530369. The reversal of 312530342 is 243035213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 2111618 + ... + 2111765.

It is an arithmetic number, because the mean of its divisors is an integer number (60183222).

Almost surely, 2312530342 is an apocalyptic number.

312530342 is a deficient number, since it is larger than the sum of its proper divisors (168935434).

312530342 is a wasteful number, since it uses less digits than its factorization.

312530342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223422.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 312530342 is about 17678.5277101913. The cubic root of 312530342 is about 678.6263663338.

Adding to 312530342 its reverse (243035213), we get a palindrome (555565555).

The spelling of 312530342 in words is "three hundred twelve million, five hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 37 74 4223383 8446766 156265171 312530342