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5498724809 = 28319430123
BaseRepresentation
bin1010001111011111…
…11110000111001001
3112012012211011101102
411013233332013021
542230133143214
62305344431145
7253156250444
oct50757760711
915165734342
105498724809
112371983376
1210956184b5
13698288426
143a240465b
15222b1bbde
hex147bfe1c9

5498724809 has 4 divisors (see below), whose sum is σ = 5518155216. Its totient is φ = 5479294404.

The previous prime is 5498724797. The next prime is 5498724821. The reversal of 5498724809 is 9084278945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5498724797) and next prime (5498724821).

It is a cyclic number.

It is not a de Polignac number, because 5498724809 - 212 = 5498720713 is a prime.

It is a super-2 number, since 2×54987248092 = 60471949050224172962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5498724899) 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, 9714779 + ... + 9715344.

It is an arithmetic number, because the mean of its divisors is an integer number (1379538804).

Almost surely, 25498724809 is an apocalyptic number.

It is an amenable number.

5498724809 is a deficient number, since it is larger than the sum of its proper divisors (19430407).

5498724809 is a wasteful number, since it uses less digits than its factorization.

5498724809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19430406.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 5498724809 is about 74153.3870366014. The cubic root of 5498724809 is about 1765.0377368633.

The spelling of 5498724809 in words is "five billion, four hundred ninety-eight million, seven hundred twenty-four thousand, eight hundred nine".

Divisors: 1 283 19430123 5498724809