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5424787789 = 5920991621
BaseRepresentation
bin1010000110101011…
…11011000101001101
3112000001200202212021
411003111323011031
542102221202124
62254144010141
7251300635561
oct50325730515
915001622767
105424787789
1123341733a3
121074900951
13685b6b905
143966796a1
1521b3b47e4
hex14357b14d

5424787789 has 4 divisors (see below), whose sum is σ = 5424938620. Its totient is φ = 5424636960.

The previous prime is 5424787733. The next prime is 5424787801. The reversal of 5424787789 is 9877874245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3392130564 + 2032657225 = 58242^2 + 45085^2 .

It is a cyclic number.

It is not a de Polignac number, because 5424787789 - 213 = 5424779597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5424707789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13399 + ... + 105019.

It is an arithmetic number, because the mean of its divisors is an integer number (1356234655).

Almost surely, 25424787789 is an apocalyptic number.

It is an amenable number.

5424787789 is a deficient number, since it is larger than the sum of its proper divisors (150831).

5424787789 is an equidigital number, since it uses as much as digits as its factorization.

5424787789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150830.

The product of its digits is 31610880, while the sum is 61.

The square root of 5424787789 is about 73653.1587170571. The cubic root of 5424787789 is about 1757.0909879048.

The spelling of 5424787789 in words is "five billion, four hundred twenty-four million, seven hundred eighty-seven thousand, seven hundred eighty-nine".

Divisors: 1 59209 91621 5424787789