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420608002 = 21973972689
BaseRepresentation
bin11001000100011…
…111100000000010
31002022110002201011
4121010133200002
51330133424002
6105423031134
713265052253
oct3104374002
91068402634
10420608002
111a6471021
12b8a3b4aa
13691a8699
143dc0ab2a
1526dd48d7
hex1911f802

420608002 has 16 divisors (see below), whose sum is σ = 635948280. Its totient is φ = 208631808.

The previous prime is 420607987. The next prime is 420608011. The reversal of 420608002 is 200806024.

It can be written as a sum of positive squares in 4 ways, for example, as 388129401 + 32478601 = 19701^2 + 5699^2 .

It is a super-2 number, since 2×4206080022 = 353822182692864008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155074 + ... + 157762.

Almost surely, 2420608002 is an apocalyptic number.

420608002 is a deficient number, since it is larger than the sum of its proper divisors (215340278).

420608002 is a wasteful number, since it uses less digits than its factorization.

420608002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 420608002 is about 20508.7298972901. The cubic root of 420608002 is about 749.2484334856.

The spelling of 420608002 in words is "four hundred twenty million, six hundred eight thousand, two".

Divisors: 1 2 197 394 397 794 2689 5378 78209 156418 529733 1059466 1067533 2135066 210304001 420608002