Search a number
-
+
5405420 = 225270271
BaseRepresentation
bin10100100111101011101100
3101011121211202
4110213223230
52340433140
6311505032
763642146
oct24475354
911147752
105405420
113062199
121988178
131173497
14a09c96
1571b915
hex527aec

5405420 has 12 divisors (see below), whose sum is σ = 11351424. Its totient is φ = 2162160.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405420 is 245045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 270271 = 5405420 / (5 + 4 + 0 + 5 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 5405392 and 5405401.

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 3 ways as a sum of consecutive naturals, for example, 135116 + ... + 135155.

It is an arithmetic number, because the mean of its divisors is an integer number (945952).

Almost surely, 25405420 is an apocalyptic number.

It is an amenable number.

5405420 is an abundant number, since it is smaller than the sum of its proper divisors (5946004).

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

5405420 is a wasteful number, since it uses less digits than its factorization.

5405420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270280 (or 270278 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5405420 is about 2324.9559135605. The cubic root of 5405420 is about 175.4997416143.

The spelling of 5405420 in words is "five million, four hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 270271 540542 1081084 1351355 2702710 5405420