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486120786 = 2381020131
BaseRepresentation
bin11100111110011…
…001110101010010
31020212201111100120
4130332121311102
51443421331121
6120123131110
715021646524
oct3476316522
91225644316
10486120786
1122a447818
12116973a96
1379935948
14487c1a14
152ca25bc6
hex1cf99d52

486120786 has 8 divisors (see below), whose sum is σ = 972241584. Its totient is φ = 162040260.

The previous prime is 486120781. The next prime is 486120787. The reversal of 486120786 is 687021684.

It is a sphenic number, since it is the product of 3 distinct primes.

486120786 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (486120781) 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, 40510060 + ... + 40510071.

It is an arithmetic number, because the mean of its divisors is an integer number (121530198).

Almost surely, 2486120786 is an apocalyptic number.

486120786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486120786 is a wasteful number, since it uses less digits than its factorization.

486120786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81020136.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 486120786 is about 22048.1469969701. The cubic root of 486120786 is about 786.2875463799.

The spelling of 486120786 in words is "four hundred eighty-six million, one hundred twenty thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 81020131 162040262 243060393 486120786