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420443230 = 2542044323
BaseRepresentation
bin11001000011110…
…111010001011110
31002022010201200111
4121003313101132
51330113140410
6105415320234
713263465004
oct3103672136
91068121614
10420443230
111a6369249
12b898007a
136914b69c
143dba6a74
1526da0b8a
hex190f745e

420443230 has 8 divisors (see below), whose sum is σ = 756797832. Its totient is φ = 168177288.

The previous prime is 420443227. The next prime is 420443249. The reversal of 420443230 is 32344024.

420443230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21022152 + ... + 21022171.

It is an arithmetic number, because the mean of its divisors is an integer number (94599729).

Almost surely, 2420443230 is an apocalyptic number.

420443230 is a deficient number, since it is larger than the sum of its proper divisors (336354602).

420443230 is a wasteful number, since it uses less digits than its factorization.

420443230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42044330.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 420443230 is about 20504.7123852055. The cubic root of 420443230 is about 749.1505820524.

Adding to 420443230 its reverse (32344024), we get a palindrome (452787254).

The spelling of 420443230 in words is "four hundred twenty million, four hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 42044323 84088646 210221615 420443230