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485386779 = 323103163419
BaseRepresentation
bin11100111011100…
…110101000011011
31020211100012111010
4130323212220123
51443224334104
6120055305003
715012501543
oct3473465033
91224305433
10485386779
11229a962a9
1211667b163
1379739817
1448670323
152c92d489
hex1cee6a1b

485386779 has 32 divisors (see below), whose sum is σ = 687697920. Its totient is φ = 303909408.

The previous prime is 485386777. The next prime is 485386789. The reversal of 485386779 is 977683584.

It is not a de Polignac number, because 485386779 - 21 = 485386777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485386777) 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 31 ways as a sum of consecutive naturals, for example, 1158232 + ... + 1158650.

It is an arithmetic number, because the mean of its divisors is an integer number (21490560).

Almost surely, 2485386779 is an apocalyptic number.

485386779 is a deficient number, since it is larger than the sum of its proper divisors (202311141).

485386779 is a wasteful number, since it uses less digits than its factorization.

485386779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 10160640, while the sum is 57.

The square root of 485386779 is about 22031.4951603381. The cubic root of 485386779 is about 785.8916013777.

The spelling of 485386779 in words is "four hundred eighty-five million, three hundred eighty-six thousand, seven hundred seventy-nine".

Divisors: 1 3 23 69 103 163 309 419 489 1257 2369 3749 7107 9637 11247 16789 28911 43157 50367 68297 129471 204891 386147 992611 1158441 1570831 2977833 4712493 7034591 21103773 161795593 485386779