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1683553485 = 35157971081
BaseRepresentation
bin110010001011000…
…1111110011001101
311100022220101012210
41210112033303031
511421442202420
6435020221033
756501653125
oct14426176315
94308811183
101683553485
1179435a719
123ab99a779
1320aa3b6c3
1411d843c85
159cc059e0
hex6458fccd

1683553485 has 16 divisors (see below), whose sum is σ = 2695429440. Its totient is φ = 897313920.

The previous prime is 1683553477. The next prime is 1683553591. The reversal of 1683553485 is 5843553861.

It is not a de Polignac number, because 1683553485 - 23 = 1683553477 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11856 + ... + 59225.

It is an arithmetic number, because the mean of its divisors is an integer number (168464340).

Almost surely, 21683553485 is an apocalyptic number.

1683553485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1683553485 is a deficient number, since it is larger than the sum of its proper divisors (1011875955).

1683553485 is a wasteful number, since it uses less digits than its factorization.

1683553485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72668.

The product of its digits is 1728000, while the sum is 48.

The square root of 1683553485 is about 41031.1282442976. The cubic root of 1683553485 is about 1189.6219605140.

The spelling of 1683553485 in words is "one billion, six hundred eighty-three million, five hundred fifty-three thousand, four hundred eighty-five".

Divisors: 1 3 5 15 1579 4737 7895 23685 71081 213243 355405 1066215 112236899 336710697 561184495 1683553485