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312334421 = 7172624659
BaseRepresentation
bin10010100111011…
…101100001010101
3210202201020021112
4102213131201111
51114424200141
650554224405
710511540660
oct2247354125
9722636245
10312334421
11150339523
1288725105
134c929089
142d6a46d7
151c6487eb
hex129dd855

312334421 has 8 divisors (see below), whose sum is σ = 377951040. Its totient is φ = 251967168.

The previous prime is 312334367. The next prime is 312334441. The reversal of 312334421 is 124433213.

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

It is a cyclic number.

It is not a de Polignac number, because 312334421 - 210 = 312333397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312334441) 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, 1312211 + ... + 1312448.

It is an arithmetic number, because the mean of its divisors is an integer number (47243880).

Almost surely, 2312334421 is an apocalyptic number.

It is an amenable number.

312334421 is a deficient number, since it is larger than the sum of its proper divisors (65616619).

312334421 is a wasteful number, since it uses less digits than its factorization.

312334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624683.

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

The square root of 312334421 is about 17672.9856277880. The cubic root of 312334421 is about 678.4845294930.

Adding to 312334421 its reverse (124433213), we get a palindrome (436767634).

The spelling of 312334421 in words is "three hundred twelve million, three hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 7 17 119 2624659 18372613 44619203 312334421