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408225 = 3525443
BaseRepresentation
bin1100011101010100001
3202201222110
41203222201
5101030400
612425533
73320106
oct1435241
9681873
10408225
11259784
121782a9
13113a6c
14a8aad
1580e50
hex63aa1

408225 has 12 divisors (see below), whose sum is σ = 675056. Its totient is φ = 217680.

The previous prime is 408223. The next prime is 408229. The reversal of 408225 is 522804.

It is not a de Polignac number, because 408225 - 21 = 408223 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 45 + 0 + 27 + 82 + 214 + 58 .

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408225.

It is not an unprimeable number, because it can be changed into a prime (408223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2647 + ... + 2796.

2408225 is an apocalyptic number.

It is an amenable number.

408225 is a deficient number, since it is larger than the sum of its proper divisors (266831).

408225 is a wasteful number, since it uses less digits than its factorization.

408225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5451 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 408225 is about 638.9248782134. The cubic root of 408225 is about 74.1822268128.

The spelling of 408225 in words is "four hundred eight thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 5443 16329 27215 81645 136075 408225