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485471860 = 22589272737
BaseRepresentation
bin11100111011111…
…011011001110100
31020211111112012021
4130323323121310
51443240044420
6120101202524
715013304566
oct3473733164
91224445167
10485471860
1122a044215
12116700444
1379769473
1448693336
152c9487aa
hex1cefb674

485471860 has 24 divisors (see below), whose sum is σ = 1030949640. Its totient is φ = 192006144.

The previous prime is 485471837. The next prime is 485471863. The reversal of 485471860 is 68174584.

It can be written as a sum of positive squares in 4 ways, for example, as 103347556 + 382124304 = 10166^2 + 19548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485471863) 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 7 ways as a sum of consecutive naturals, for example, 134589 + ... + 138148.

It is an arithmetic number, because the mean of its divisors is an integer number (42956235).

Almost surely, 2485471860 is an apocalyptic number.

It is an amenable number.

485471860 is an abundant number, since it is smaller than the sum of its proper divisors (545477780).

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

485471860 is a wasteful number, since it uses less digits than its factorization.

485471860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272835 (or 272833 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 485471860 is about 22033.4259705566. The cubic root of 485471860 is about 785.9375170198.

The spelling of 485471860 in words is "four hundred eighty-five million, four hundred seventy-one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 272737 545474 1090948 1363685 2727370 5454740 24273593 48547186 97094372 121367965 242735930 485471860