Search a number
-
+
678066982 = 21093110399
BaseRepresentation
bin101000011010100…
…111101100100110
31202020220101000221
4220122213230212
52342041120412
6151141154554
722542321445
oct5032475446
91666811027
10678066982
1131882983a
1216b0bba5a
13aa630188
14660a8d5c
153e7ddb07
hex286a7b26

678066982 has 8 divisors (see below), whose sum is σ = 1026432000. Its totient is φ = 335922984.

The previous prime is 678066973. The next prime is 678066989. The reversal of 678066982 is 289660876.

678066982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678066989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554982 + ... + 1555417.

It is an arithmetic number, because the mean of its divisors is an integer number (128304000).

Almost surely, 2678066982 is an apocalyptic number.

678066982 is a deficient number, since it is larger than the sum of its proper divisors (348365018).

678066982 is a wasteful number, since it uses less digits than its factorization.

678066982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110510.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 678066982 is about 26039.7193149235. The cubic root of 678066982 is about 878.5318935415.

The spelling of 678066982 in words is "six hundred seventy-eight million, sixty-six thousand, nine hundred eighty-two".

Divisors: 1 2 109 218 3110399 6220798 339033491 678066982