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424478313 = 347748639
BaseRepresentation
bin11001010011010…
…000011001101001
31002120201201210000
4121103100121221
51332131301223
6110042013213
713343002050
oct3123203151
91076651700
10424478313
111a8674926
12ba1a7209
1369c321cc
1440537397
15273eb543
hex194d0669

424478313 has 20 divisors (see below), whose sum is σ = 724683520. Its totient is φ = 242558712.

The previous prime is 424478303. The next prime is 424478359. The reversal of 424478313 is 313874424.

It is not a de Polignac number, because 424478313 - 25 = 424478281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424478303) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 373753 + ... + 374886.

It is an arithmetic number, because the mean of its divisors is an integer number (36234176).

Almost surely, 2424478313 is an apocalyptic number.

It is an amenable number.

424478313 is a deficient number, since it is larger than the sum of its proper divisors (300205207).

424478313 is an equidigital number, since it uses as much as digits as its factorization.

424478313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748658 (or 748649 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 424478313 is about 20602.8714746270. The cubic root of 424478313 is about 751.5395415866.

The spelling of 424478313 in words is "four hundred twenty-four million, four hundred seventy-eight thousand, three hundred thirteen".

Divisors: 1 3 7 9 21 27 63 81 189 567 748639 2245917 5240473 6737751 15721419 20213253 47164257 60639759 141492771 424478313