Search a number
-
+
420224303 = 617519173
BaseRepresentation
bin11001000011000…
…001110100101111
31002021201121101002
4121003001310233
51330034134203
6105410510515
713261563512
oct3103016457
91067647332
10420224303
111a6229814
12b889543b
13690a2b45
143db4ad79
1526d5ad88
hex190c1d2f

420224303 has 8 divisors (see below), whose sum is σ = 427728576. Its totient is φ = 412740000.

The previous prime is 420224263. The next prime is 420224317. The reversal of 420224303 is 303422024.

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

It is a cyclic number.

It is not a de Polignac number, because 420224303 - 214 = 420207919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420224323) 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, 41225 + ... + 50397.

It is an arithmetic number, because the mean of its divisors is an integer number (53466072).

Almost surely, 2420224303 is an apocalyptic number.

420224303 is a deficient number, since it is larger than the sum of its proper divisors (7504273).

420224303 is an equidigital number, since it uses as much as digits as its factorization.

420224303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420224303 is about 20499.3732343211. The cubic root of 420224303 is about 749.0205305949.

Adding to 420224303 its reverse (303422024), we get a palindrome (723646327).

The spelling of 420224303 in words is "four hundred twenty million, two hundred twenty-four thousand, three hundred three".

Divisors: 1 61 751 9173 45811 559553 6888923 420224303