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1678840483 = 10129356731
BaseRepresentation
bin110010000010001…
…0001001010100011
311100000000221012011
41210010101022203
511414240343413
6434331213351
756413623445
oct14404211243
94300027164
101678840483
11791730781
123aa2a7257
13209a7b448
1411cd78495
159c5c433d
hex641112a3

1678840483 has 8 divisors (see below), whose sum is σ = 1701279216. Its totient is φ = 1656516000.

The previous prime is 1678840481. The next prime is 1678840487. The reversal of 1678840483 is 3840488761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1678840483 - 21 = 1678840481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1678840481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228 + ... + 57958.

It is an arithmetic number, because the mean of its divisors is an integer number (212659902).

Almost surely, 21678840483 is an apocalyptic number.

1678840483 is a deficient number, since it is larger than the sum of its proper divisors (22438733).

1678840483 is a wasteful number, since it uses less digits than its factorization.

1678840483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57125.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 1678840483 is about 40973.6559633138. The cubic root of 1678840483 is about 1188.5108324268.

The spelling of 1678840483 in words is "one billion, six hundred seventy-eight million, eight hundred forty thousand, four hundred eighty-three".

Divisors: 1 101 293 29593 56731 5729831 16622183 1678840483