Search a number
-
+
420065252 = 22317147713
BaseRepresentation
bin11001000010011…
…010111111100100
31002021102112012022
4121002122333210
51330014042002
6105403242312
713260332015
oct3102327744
91067375168
10420065252
111a6130272
12b8819398
1369048629
143db0900c
1526d28ba2
hex1909afe4

420065252 has 24 divisors (see below), whose sum is σ = 769531392. Its totient is φ = 200390400.

The previous prime is 420065251. The next prime is 420065263. The reversal of 420065252 is 252560024.

It is not an unprimeable number, because it can be changed into a prime (420065251) 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, 15053 + ... + 32660.

It is an arithmetic number, because the mean of its divisors is an integer number (32063808).

Almost surely, 2420065252 is an apocalyptic number.

It is an amenable number.

420065252 is a deficient number, since it is larger than the sum of its proper divisors (349466140).

420065252 is a wasteful number, since it uses less digits than its factorization.

420065252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47819 (or 47817 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 420065252 is about 20495.4934558795. The cubic root of 420065252 is about 748.9260195629.

The spelling of 420065252 in words is "four hundred twenty million, sixty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 31 62 71 124 142 284 2201 4402 8804 47713 95426 190852 1479103 2958206 3387623 5916412 6775246 13550492 105016313 210032626 420065252