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420025002 = 23673710391
BaseRepresentation
bin11001000010010…
…001001010101010
31002021100110222120
4121002101022222
51330011300002
6105402332110
713260103455
oct3102211252
91067313876
10420025002
111a6103001
12b87ba036
1369033207
143dad849c
1526d1bcbc
hex190912aa

420025002 has 16 divisors (see below), whose sum is σ = 840255552. Its totient is φ = 139974080.

The previous prime is 420024973. The next prime is 420025013. The reversal of 420025002 is 200520024.

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, 35227 + ... + 45617.

It is an arithmetic number, because the mean of its divisors is an integer number (52515972).

Almost surely, 2420025002 is an apocalyptic number.

420025002 is an abundant number, since it is smaller than the sum of its proper divisors (420230550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420025002 is a wasteful number, since it uses less digits than its factorization.

420025002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17133.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 420025002 is about 20494.5115091822. The cubic root of 420025002 is about 748.9020984895.

Adding to 420025002 its reverse (200520024), we get a palindrome (620545026).

The spelling of 420025002 in words is "four hundred twenty million, twenty-five thousand, two".

Divisors: 1 2 3 6 6737 10391 13474 20211 20782 31173 40422 62346 70004167 140008334 210012501 420025002