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434434220 = 225111974701
BaseRepresentation
bin11001111001001…
…111000010101100
31010021110112201022
4121321033002230
51342203343340
6111035233312
713523426033
oct3171170254
91107415638
10434434220
11203254950
121015a8838
136c00998c
14419a971a
15282163b5
hex19e4f0ac

434434220 has 24 divisors (see below), whose sum is σ = 995249808. Its totient is φ = 157976000.

The previous prime is 434434213. The next prime is 434434243. The reversal of 434434220 is 22434434.

It is a self number, because there is not a number n which added to its sum of digits gives 434434220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987131 + ... + 987570.

It is an arithmetic number, because the mean of its divisors is an integer number (41468742).

Almost surely, 2434434220 is an apocalyptic number.

It is an amenable number.

434434220 is an abundant number, since it is smaller than the sum of its proper divisors (560815588).

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

434434220 is a wasteful number, since it uses less digits than its factorization.

434434220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974721 (or 1974719 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 434434220 is about 20843.0856640757. The cubic root of 434434220 is about 757.3698440631.

Adding to 434434220 its reverse (22434434), we get a palindrome (456868654).

The spelling of 434434220 in words is "four hundred thirty-four million, four hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1974701 3949402 7898804 9873505 19747010 21721711 39494020 43443422 86886844 108608555 217217110 434434220