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5420844427 = 10153671727
BaseRepresentation
bin1010000110001101…
…11000010110001011
3111222210021102120211
411003012320112023
542100214010202
62253523301551
7251222263105
oct50306702613
914883242524
105420844427
112331a1a719
12107351a8b7
136850baa6b
14395d30575
1521ad861d7
hex1431b858b

5420844427 has 4 divisors (see below), whose sum is σ = 5474516256. Its totient is φ = 5367172600.

The previous prime is 5420844329. The next prime is 5420844431. The reversal of 5420844427 is 7244480245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7244480245 = 51448896049.

It is a cyclic number.

It is not a de Polignac number, because 5420844427 - 215 = 5420811659 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 5420844427.

It is not an unprimeable number, because it can be changed into a prime (5420844467) 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, 26835763 + ... + 26835964.

It is an arithmetic number, because the mean of its divisors is an integer number (1368629064).

Almost surely, 25420844427 is an apocalyptic number.

5420844427 is a deficient number, since it is larger than the sum of its proper divisors (53671829).

5420844427 is a wasteful number, since it uses less digits than its factorization.

5420844427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53671828.

The product of its (nonzero) digits is 286720, while the sum is 40.

The square root of 5420844427 is about 73626.3840413204. The cubic root of 5420844427 is about 1756.6651325119.

The spelling of 5420844427 in words is "five billion, four hundred twenty million, eight hundred forty-four thousand, four hundred twenty-seven".

Divisors: 1 101 53671727 5420844427