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312404463 = 3274958801
BaseRepresentation
bin10010100111101…
…110100111101111
3210202211210100200
4102213232213233
51114433420323
650555524543
710512252120
oct2247564757
9722753320
10312404463
11150387108
1288759753
134c951c17
142d6c2047
151c65e443
hex129ee9ef

312404463 has 12 divisors (see below), whose sum is σ = 515715408. Its totient is φ = 178516800.

The previous prime is 312404401. The next prime is 312404471. The reversal of 312404463 is 364404213.

It is not a de Polignac number, because 312404463 - 216 = 312338927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312403463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2479338 + ... + 2479463.

It is an arithmetic number, because the mean of its divisors is an integer number (42976284).

Almost surely, 2312404463 is an apocalyptic number.

312404463 is a deficient number, since it is larger than the sum of its proper divisors (203310945).

312404463 is a wasteful number, since it uses less digits than its factorization.

312404463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958814 (or 4958811 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 312404463 is about 17674.9671286823. The cubic root of 312404463 is about 678.5352431494.

Adding to 312404463 its reverse (364404213), we get a palindrome (676808676).

The spelling of 312404463 in words is "three hundred twelve million, four hundred four thousand, four hundred sixty-three".

Divisors: 1 3 7 9 21 63 4958801 14876403 34711607 44629209 104134821 312404463