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312423243 = 3119467371
BaseRepresentation
bin10010100111110…
…011001101001011
3210202212202010020
4102213303031023
51114440020433
651000151523
710512360636
oct2247631513
9722782106
10312423243
1115039a230
12887685a3
134c95a632
142d6c8c1d
151c664cb3
hex129f334b

312423243 has 8 divisors (see below), whose sum is σ = 454433856. Its totient is φ = 189347400.

The previous prime is 312423193. The next prime is 312423257. The reversal of 312423243 is 342324213.

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

It is not a de Polignac number, because 312423243 - 26 = 312423179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312423143) 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, 4733653 + ... + 4733718.

It is an arithmetic number, because the mean of its divisors is an integer number (56804232).

Almost surely, 2312423243 is an apocalyptic number.

312423243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

312423243 is a deficient number, since it is larger than the sum of its proper divisors (142010613).

312423243 is a wasteful number, since it uses less digits than its factorization.

312423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467385.

The product of its digits is 3456, while the sum is 24.

The square root of 312423243 is about 17675.4983805266. The cubic root of 312423243 is about 678.5488394517.

Adding to 312423243 its reverse (342324213), we get a palindrome (654747456).

The spelling of 312423243 in words is "three hundred twelve million, four hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 3 11 33 9467371 28402113 104141081 312423243