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420330463 = 7676911297
BaseRepresentation
bin11001000011011…
…011101111011111
31002021220222222221
4121003123233133
51330101033323
6105413050211
713262515150
oct3103335737
91067828887
10420330463
111a62a1553
12b8926967
136910c267
143db77927
1526d7c55d
hex190dbbdf

420330463 has 16 divisors (see below), whose sum is σ = 488629504. Its totient is φ = 354119040.

The previous prime is 420330433. The next prime is 420330467. The reversal of 420330463 is 364033024.

It is a cyclic number.

It is not a de Polignac number, because 420330463 - 225 = 386776031 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 (420330467) 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 15 ways as a sum of consecutive naturals, for example, 323431 + ... + 324727.

It is an arithmetic number, because the mean of its divisors is an integer number (30539344).

Almost surely, 2420330463 is an apocalyptic number.

420330463 is a deficient number, since it is larger than the sum of its proper divisors (68299041).

420330463 is a wasteful number, since it uses less digits than its factorization.

420330463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

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

The square root of 420330463 is about 20501.9624182662. The cubic root of 420330463 is about 749.0835995512.

Adding to 420330463 its reverse (364033024), we get a palindrome (784363487).

The spelling of 420330463 in words is "four hundred twenty million, three hundred thirty thousand, four hundred sixty-three".

Divisors: 1 7 67 469 691 1297 4837 9079 46297 86899 324079 608293 896227 6273589 60047209 420330463