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1994085485 = 57206327617
BaseRepresentation
bin111011011011011…
…0101010001101101
312010222020001000222
41312312311101231
513040441213420
6525512101125
7100262306210
oct16666652155
95128201028
101994085485
11933677a37
124779947a5
1325a186252
1414cb99777
15ba0e5225
hex76db546d

1994085485 has 16 divisors (see below), whose sum is σ = 2736170496. Its totient is φ = 1366660608.

The previous prime is 1994085469. The next prime is 1994085503. The reversal of 1994085485 is 5845804991.

It is a cyclic number.

It is not a de Polignac number, because 1994085485 - 24 = 1994085469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58397 + ... + 86013.

It is an arithmetic number, because the mean of its divisors is an integer number (171010656).

Almost surely, 21994085485 is an apocalyptic number.

It is an amenable number.

1994085485 is a deficient number, since it is larger than the sum of its proper divisors (742085011).

1994085485 is a wasteful number, since it uses less digits than its factorization.

1994085485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29692.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The square root of 1994085485 is about 44655.1843014896. The cubic root of 1994085485 is about 1258.6778532794.

The spelling of 1994085485 in words is "one billion, nine hundred ninety-four million, eighty-five thousand, four hundred eighty-five".

Divisors: 1 5 7 35 2063 10315 14441 27617 72205 138085 193319 966595 56973871 284869355 398817097 1994085485