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420344314 = 21331521519
BaseRepresentation
bin11001000011011…
…111000111111010
31002021221200222221
4121003133013322
51330102004224
6105413234254
713262603425
oct3103370772
91067850887
10420344314
111a63009a5
12b893298a
1369115660
143db7c9bc
1526d816e4
hex190df1fa

420344314 has 16 divisors (see below), whose sum is σ = 700922880. Its totient is φ = 187746480.

The previous prime is 420344311. The next prime is 420344321. The reversal of 420344314 is 413443024.

It is not an unprimeable number, because it can be changed into a prime (420344311) 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 7 ways as a sum of consecutive naturals, for example, 259954 + ... + 261565.

It is an arithmetic number, because the mean of its divisors is an integer number (43807680).

Almost surely, 2420344314 is an apocalyptic number.

420344314 is a deficient number, since it is larger than the sum of its proper divisors (280578566).

420344314 is a wasteful number, since it uses less digits than its factorization.

420344314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521565.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 420344314 is about 20502.3002124152. The cubic root of 420344314 is about 749.0918275558.

Adding to 420344314 its reverse (413443024), we get a palindrome (833787338).

The spelling of 420344314 in words is "four hundred twenty million, three hundred forty-four thousand, three hundred fourteen".

Divisors: 1 2 13 26 31 62 403 806 521519 1043038 6779747 13559494 16167089 32334178 210172157 420344314