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486897805 = 5971003913
BaseRepresentation
bin11101000001010…
…111100010001101
31020221011222020001
4131001113202031
51444121212210
6120151524301
715031364062
oct3501274215
91227158201
10486897805
1122a928589
12117089691
1379b48514
1448944c69
152cb2b03a
hex1d05788d

486897805 has 8 divisors (see below), whose sum is σ = 590301432. Its totient is φ = 385502208.

The previous prime is 486897797. The next prime is 486897823. The reversal of 486897805 is 508798684.

It can be written as a sum of positive squares in 4 ways, for example, as 1929321 + 484968484 = 1389^2 + 22022^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 486897805 - 23 = 486897797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501472 + ... + 502441.

It is an arithmetic number, because the mean of its divisors is an integer number (73787679).

Almost surely, 2486897805 is an apocalyptic number.

It is an amenable number.

486897805 is a deficient number, since it is larger than the sum of its proper divisors (103403627).

486897805 is a wasteful number, since it uses less digits than its factorization.

486897805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004015.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 486897805 is about 22065.7609204849. The cubic root of 486897805 is about 786.7062592788.

The spelling of 486897805 in words is "four hundred eighty-six million, eight hundred ninety-seven thousand, eight hundred five".

Divisors: 1 5 97 485 1003913 5019565 97379561 486897805