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498652081 = 3116085551
BaseRepresentation
bin11101101110001…
…101001110110001
31021202022011001121
4131232031032301
52010123331311
6121251502241
715233321104
oct3556151661
91252264047
10498652081
11236526764
1211abb7981
137c402705
144a32473b
152db9db71
hex1db8d3b1

498652081 has 4 divisors (see below), whose sum is σ = 514737664. Its totient is φ = 482566500.

The previous prime is 498652079. The next prime is 498652087. The reversal of 498652081 is 180256894.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 180256894 = 290128447.

It is a cyclic number.

It is not a de Polignac number, because 498652081 - 21 = 498652079 is a prime.

It is a super-2 number, since 2×4986520812 = 497307795771261122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498652087) 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, 8042745 + ... + 8042806.

It is an arithmetic number, because the mean of its divisors is an integer number (128684416).

Almost surely, 2498652081 is an apocalyptic number.

It is an amenable number.

498652081 is a deficient number, since it is larger than the sum of its proper divisors (16085583).

498652081 is a wasteful number, since it uses less digits than its factorization.

498652081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085582.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 498652081 is about 22330.5190490503. The cubic root of 498652081 is about 792.9866547594.

The spelling of 498652081 in words is "four hundred ninety-eight million, six hundred fifty-two thousand, eighty-one".

Divisors: 1 31 16085551 498652081