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1685063349 = 321311429231
BaseRepresentation
bin110010001110000…
…0000011010110101
311100102202002100200
41210130000122311
511422334011344
6435112431113
756520542064
oct14434003265
94312662320
101685063349
117951a1042
123b03a8499
1320b149a08
1411db181db
159ce03069
hex647006b5

1685063349 has 12 divisors (see below), whose sum is σ = 2452562112. Its totient is φ = 1114799400.

The previous prime is 1685063327. The next prime is 1685063383. The reversal of 1685063349 is 9433605861.

1685063349 is a `hidden beast` number, since 1 + 6 + 8 + 5 + 0 + 633 + 4 + 9 = 666.

It is not a de Polignac number, because 1685063349 - 212 = 1685059253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685063309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713437 + ... + 715794.

It is an arithmetic number, because the mean of its divisors is an integer number (204380176).

Almost surely, 21685063349 is an apocalyptic number.

It is an amenable number.

1685063349 is a deficient number, since it is larger than the sum of its proper divisors (767498763).

1685063349 is a wasteful number, since it uses less digits than its factorization.

1685063349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429368 (or 1429365 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1685063349 is about 41049.5231275590. The cubic root of 1685063349 is about 1189.9774844503.

The spelling of 1685063349 in words is "one billion, six hundred eighty-five million, sixty-three thousand, three hundred forty-nine".

Divisors: 1 3 9 131 393 1179 1429231 4287693 12863079 187229261 561687783 1685063349