Search a number
-
+
677831982 = 23112971997
BaseRepresentation
bin101000011001101…
…110010100101110
31202020110102200020
4220121232110232
52342011110412
6151132143010
722540322352
oct5031562456
91666412606
10677831982
11318689223
1216b007a66
13aa57a219
1466047462
153e79418c
hex2866e52e

677831982 has 8 divisors (see below), whose sum is σ = 1355663976. Its totient is φ = 225943992.

The previous prime is 677831927. The next prime is 677831983. The reversal of 677831982 is 289138776.

677831982 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.

677831982 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677831983) 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, 56485993 + ... + 56486004.

It is an arithmetic number, because the mean of its divisors is an integer number (169457997).

Almost surely, 2677831982 is an apocalyptic number.

677831982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677831982 is a wasteful number, since it uses less digits than its factorization.

677831982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112972002.

The product of its digits is 1016064, while the sum is 51.

The square root of 677831982 is about 26035.2065864667. The cubic root of 677831982 is about 878.4303898771.

The spelling of 677831982 in words is "six hundred seventy-seven million, eight hundred thirty-one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 112971997 225943994 338915991 677831982