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678057483 = 3226019161
BaseRepresentation
bin101000011010100…
…101011000001011
31202020212220000010
4220122211120023
52342040314413
6151141043003
722542251655
oct5032453013
91666786003
10678057483
11318822694
1216b0b6463
13aa628a5c
14660a56d5
153e7dadc3
hex286a560b

678057483 has 4 divisors (see below), whose sum is σ = 904076648. Its totient is φ = 452038320.

The previous prime is 678057473. The next prime is 678057509. The reversal of 678057483 is 384750876.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 678057483 - 221 = 675960331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678057403) 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 3 ways as a sum of consecutive naturals, for example, 113009578 + ... + 113009583.

It is an arithmetic number, because the mean of its divisors is an integer number (226019162).

Almost surely, 2678057483 is an apocalyptic number.

678057483 is a deficient number, since it is larger than the sum of its proper divisors (226019165).

678057483 is a wasteful number, since it uses less digits than its factorization.

678057483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226019164.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 678057483 is about 26039.5369198456. The cubic root of 678057483 is about 878.5277910887.

The spelling of 678057483 in words is "six hundred seventy-eight million, fifty-seven thousand, four hundred eighty-three".

Divisors: 1 3 226019161 678057483