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420280300 = 225211382073
BaseRepresentation
bin11001000011001…
…111011111101100
31002021211110012001
4121003033133230
51330042432200
6105412022044
713262215666
oct3103173754
91067743161
10420280300
111a62678a0
12b8901924
13690c248b
143db63536
1526d6c76a
hex190cf7ec

420280300 has 36 divisors (see below), whose sum is σ = 994920696. Its totient is φ = 152828800.

The previous prime is 420280283. The next prime is 420280303. The reversal of 420280300 is 3082024.

It is a happy number.

It is a super-3 number, since 3×4202803003 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (420280303) 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 11 ways as a sum of consecutive naturals, for example, 189937 + ... + 192136.

It is an arithmetic number, because the mean of its divisors is an integer number (27636686).

Almost surely, 2420280300 is an apocalyptic number.

It is an amenable number.

420280300 is an abundant number, since it is smaller than the sum of its proper divisors (574640396).

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

420280300 is a wasteful number, since it uses less digits than its factorization.

420280300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382098 (or 382091 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420280300 is about 20500.7390110698. The cubic root of 420280300 is about 749.0537993671.

The spelling of 420280300 in words is "four hundred twenty million, two hundred eighty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 382073 764146 1528292 1910365 3820730 4202803 7641460 8405606 9551825 16811212 19103650 21014015 38207300 42028030 84056060 105070075 210140150 420280300