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5428256 = 25169633
BaseRepresentation
bin10100101101010000100000
3101012210011112
4110231100200
52342201011
6312202452
764065551
oct24552040
911183145
105428256
113078369
121999428
1311809b2
14a14328
1572358b
hex52d420

5428256 has 12 divisors (see below), whose sum is σ = 10686942. Its totient is φ = 2714112.

The previous prime is 5428237. The next prime is 5428261. The reversal of 5428256 is 6528245.

It can be written as a sum of positive squares in only one way, i.e., 5216656 + 211600 = 2284^2 + 460^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 169633 = 5428256 / (5 + 4 + 2 + 8 + 2 + 5 + 6).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84785 + ... + 84848.

Almost surely, 25428256 is an apocalyptic number.

It is an amenable number.

5428256 is a deficient number, since it is larger than the sum of its proper divisors (5258686).

5428256 is a wasteful number, since it uses less digits than its factorization.

5428256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169643 (or 169635 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 5428256 is about 2329.8617984765. The cubic root of 5428256 is about 175.7465359789.

The spelling of 5428256 in words is "five million, four hundred twenty-eight thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 169633 339266 678532 1357064 2714128 5428256