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486498997 = 563864119
BaseRepresentation
bin11100111111110…
…110001010110101
31020220102201011101
4130333312022311
51444020431442
6120135210101
715025113265
oct3477661265
91226381141
10486498997
1122a685996
12116b16931
1379a38b3a
144887d7a5
152ca9ccb7
hex1cff62b5

486498997 has 4 divisors (see below), whose sum is σ = 487363680. Its totient is φ = 485634316.

The previous prime is 486498917. The next prime is 486499007. The reversal of 486498997 is 799894684.

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 a cyclic number.

It is not a de Polignac number, because 486498997 - 27 = 486498869 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 (486498917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431497 + ... + 432622.

It is an arithmetic number, because the mean of its divisors is an integer number (121840920).

Almost surely, 2486498997 is an apocalyptic number.

It is an amenable number.

486498997 is a deficient number, since it is larger than the sum of its proper divisors (864683).

486498997 is an equidigital number, since it uses as much as digits as its factorization.

486498997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864682.

The product of its digits is 31352832, while the sum is 64.

The square root of 486498997 is about 22056.7222632920. The cubic root of 486498997 is about 786.4914089575.

The spelling of 486498997 in words is "four hundred eighty-six million, four hundred ninety-eight thousand, nine hundred ninety-seven".

Divisors: 1 563 864119 486498997