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68080485 = 3511412609
BaseRepresentation
bin1000000111011…
…01001101100101
311202002211212110
410003231031211
5114412033420
610431111233
71454450244
oct403551545
9152084773
1068080485
113547a970
121a972519
1311148c15
14908295b
155e9bee0
hex40ed365

68080485 has 16 divisors (see below), whose sum is σ = 118831680. Its totient is φ = 33008640.

The previous prime is 68080471. The next prime is 68080511. The reversal of 68080485 is 58408086.

It is not a de Polignac number, because 68080485 - 26 = 68080421 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 206140 + ... + 206469.

It is an arithmetic number, because the mean of its divisors is an integer number (7426980).

Almost surely, 268080485 is an apocalyptic number.

It is an amenable number.

68080485 is a deficient number, since it is larger than the sum of its proper divisors (50751195).

68080485 is a wasteful number, since it uses less digits than its factorization.

68080485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412628.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 68080485 is about 8251.0899280035. The cubic root of 68080485 is about 408.3264819990.

The spelling of 68080485 in words is "sixty-eight million, eighty thousand, four hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 412609 1237827 2063045 4538699 6189135 13616097 22693495 68080485