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486802989 = 3254089221
BaseRepresentation
bin11101000001000…
…000011000101101
31020221000011011100
4131001000120231
51444110143424
6120145513313
715030520461
oct3501003055
91227004140
10486802989
1122a873322
12117042839
1379b1430a
144891c4a1
152cb0cdc9
hex1d04062d

486802989 has 6 divisors (see below), whose sum is σ = 703159886. Its totient is φ = 324535320.

The previous prime is 486802937. The next prime is 486803021. The reversal of 486802989 is 989208684.

486802989 is a `hidden beast` number, since 486 + 80 + 2 + 9 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 325080900 + 161722089 = 18030^2 + 12717^2 .

It is not a de Polignac number, because 486802989 - 27 = 486802861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486802489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27044602 + ... + 27044619.

Almost surely, 2486802989 is an apocalyptic number.

It is an amenable number.

486802989 is a deficient number, since it is larger than the sum of its proper divisors (216356897).

486802989 is a wasteful number, since it uses less digits than its factorization.

486802989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54089227 (or 54089224 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 486802989 is about 22063.6123289003. The cubic root of 486802989 is about 786.6551895729.

The spelling of 486802989 in words is "four hundred eighty-six million, eight hundred two thousand, nine hundred eighty-nine".

Divisors: 1 3 9 54089221 162267663 486802989