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470421305 = 594084261
BaseRepresentation
bin11100000010100…
…000111100111001
31012210011212201022
4130002200330321
51430411440210
6114402432225
714441341454
oct3402407471
91183155638
10470421305
112215a4542
12111662675
13765c9b03
144669649b
152b474155
hex1c0a0f39

470421305 has 4 divisors (see below), whose sum is σ = 564505572. Its totient is φ = 376337040.

The previous prime is 470421299. The next prime is 470421317. The reversal of 470421305 is 503124074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319229689 + 151191616 = 17867^2 + 12296^2 .

It is not a de Polignac number, because 470421305 - 212 = 470417209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47042126 + ... + 47042135.

It is an arithmetic number, because the mean of its divisors is an integer number (141126393).

Almost surely, 2470421305 is an apocalyptic number.

It is an amenable number.

470421305 is a deficient number, since it is larger than the sum of its proper divisors (94084267).

470421305 is an equidigital number, since it uses as much as digits as its factorization.

470421305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94084266.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 470421305 is about 21689.1978874277. The cubic root of 470421305 is about 777.7302551047.

Adding to 470421305 its reverse (503124074), we get a palindrome (973545379).

The spelling of 470421305 in words is "four hundred seventy million, four hundred twenty-one thousand, three hundred five".

Divisors: 1 5 94084261 470421305