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312342433 = 1324026341
BaseRepresentation
bin10010100111011…
…111011110100001
3210202201122021021
4102213133132201
51114424424213
650554325441
710511603224
oct2247373641
9722648237
10312342433
11150344547
1288729881
134c92c910
142d6a75bb
151c64ad8d
hex129df7a1

312342433 has 4 divisors (see below), whose sum is σ = 336368788. Its totient is φ = 288316080.

The previous prime is 312342431. The next prime is 312342439. The reversal of 312342433 is 334243213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48832144 + 263510289 = 6988^2 + 16233^2 .

It is not a de Polignac number, because 312342433 - 21 = 312342431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312342398 and 312342407.

It is not an unprimeable number, because it can be changed into a prime (312342431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12013158 + ... + 12013183.

It is an arithmetic number, because the mean of its divisors is an integer number (84092197).

Almost surely, 2312342433 is an apocalyptic number.

It is an amenable number.

312342433 is a deficient number, since it is larger than the sum of its proper divisors (24026355).

312342433 is a wasteful number, since it uses less digits than its factorization.

312342433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026354.

The product of its digits is 5184, while the sum is 25.

The square root of 312342433 is about 17673.2122999753. The cubic root of 312342433 is about 678.4903309366.

Adding to 312342433 its reverse (334243213), we get a palindrome (646585646).

The spelling of 312342433 in words is "three hundred twelve million, three hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 13 24026341 312342433