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438793225 = 52131350133
BaseRepresentation
bin11010001001110…
…111010000001001
31010120200000010221
4122021313100021
51344312340400
6111312510041
713605452353
oct3211672011
91116600127
10438793225
11205761932
12102b4b321
136cba4a80
14423c20d3
15287c7c1a
hex1a277409

438793225 has 12 divisors (see below), whose sum is σ = 585958156. Its totient is φ = 324031680.

The previous prime is 438793183. The next prime is 438793237. The reversal of 438793225 is 522397834.

It can be written as a sum of positive squares in 6 ways, for example, as 82791801 + 356001424 = 9099^2 + 18868^2 .

It is not a de Polignac number, because 438793225 - 215 = 438760457 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 11 ways as a sum of consecutive naturals, for example, 674742 + ... + 675391.

Almost surely, 2438793225 is an apocalyptic number.

It is an amenable number.

438793225 is a deficient number, since it is larger than the sum of its proper divisors (147164931).

438793225 is a wasteful number, since it uses less digits than its factorization.

438793225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350156 (or 1350151 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 438793225 is about 20947.3918424228. The cubic root of 438793225 is about 759.8945057866.

The spelling of 438793225 in words is "four hundred thirty-eight million, seven hundred ninety-three thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 1350133 6750665 17551729 33753325 87758645 438793225