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5428769 = 41132409
BaseRepresentation
bin10100101101011000100001
3101012210212112
4110231120201
52342210034
6312205105
764100213
oct24553041
911183775
105428769
113078795
121999795
131180cb8
14a145b3
157237ce
hex52d621

5428769 has 4 divisors (see below), whose sum is σ = 5561220. Its totient is φ = 5296320.

The previous prime is 5428747. The next prime is 5428777. The reversal of 5428769 is 9678245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 2907025 = 1588^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 5428769 - 28 = 5428513 is a prime.

It is a super-2 number, since 2×54287692 = 58943065710722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 132409 = 5428769 / (5 + 4 + 2 + 8 + 7 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66164 + ... + 66245.

It is an arithmetic number, because the mean of its divisors is an integer number (1390305).

Almost surely, 25428769 is an apocalyptic number.

It is an amenable number.

5428769 is a deficient number, since it is larger than the sum of its proper divisors (132451).

5428769 is a wasteful number, since it uses less digits than its factorization.

5428769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132450.

The product of its digits is 120960, while the sum is 41.

The square root of 5428769 is about 2329.9718882424. The cubic root of 5428769 is about 175.7520721421.

It can be divided in two parts, 542876 and 9, that multiplied together give a palindrome (4885884).

The spelling of 5428769 in words is "five million, four hundred twenty-eight thousand, seven hundred sixty-nine".

Divisors: 1 41 132409 5428769