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5405425 = 52216217
BaseRepresentation
bin10100100111101011110001
3101011121211221
4110213223301
52340433200
6311505041
763642154
oct24475361
911147757
105405425
1130621a3
121988181
13117349c
14a09c9b
1571b91a
hex527af1

5405425 has 6 divisors (see below), whose sum is σ = 6702758. Its totient is φ = 4324320.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405425 is 5245045.

It can be written as a sum of positive squares in 3 ways, for example, as 1008016 + 4397409 = 1004^2 + 2097^2 .

It is not a de Polignac number, because 5405425 - 215 = 5372657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 216217 = 5405425 / (5 + 4 + 0 + 5 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5405425.

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 5 ways as a sum of consecutive naturals, for example, 108084 + ... + 108133.

Almost surely, 25405425 is an apocalyptic number.

It is an amenable number.

5405425 is a deficient number, since it is larger than the sum of its proper divisors (1297333).

5405425 is a wasteful number, since it uses less digits than its factorization.

5405425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216227 (or 216222 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5405425 is about 2324.9569888495. The cubic root of 5405425 is about 175.4997957265.

The spelling of 5405425 in words is "five million, four hundred five thousand, four hundred twenty-five".

Divisors: 1 5 25 216217 1081085 5405425