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420303108 = 223233150323
BaseRepresentation
bin11001000011010…
…101000100000100
31002021212121110210
4121003111010010
51330044144413
6105412315420
713262342331
oct3103250404
91067777423
10420303108
111a6282a45
12b8912b70
13690cc984
143db6b988
1526d743c3
hex190d5104

420303108 has 24 divisors (see below), whose sum is σ = 984922848. Its totient is φ = 139498816.

The previous prime is 420303101. The next prime is 420303109. The reversal of 420303108 is 801303024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420303101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72366 + ... + 77957.

It is an arithmetic number, because the mean of its divisors is an integer number (41038452).

Almost surely, 2420303108 is an apocalyptic number.

It is an amenable number.

420303108 is an abundant number, since it is smaller than the sum of its proper divisors (564619740).

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

420303108 is a wasteful number, since it uses less digits than its factorization.

420303108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150563 (or 150561 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 420303108 is about 20501.2952761527. The cubic root of 420303108 is about 749.0673491417.

The spelling of 420303108 in words is "four hundred twenty million, three hundred three thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 233 466 699 932 1398 2796 150323 300646 450969 601292 901938 1803876 35025259 70050518 105075777 140101036 210151554 420303108