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676834423 = 1063636721
BaseRepresentation
bin101000010101111…
…010110001110111
31202011120202021121
4220111322301313
52341232200143
6151054524411
722525666126
oct5025726167
91664522247
10676834423
113180677a1
1216a806707
13aa2bb155
1465c67abd
153e6487ed
hex2857ac77

676834423 has 4 divisors (see below), whose sum is σ = 677472208. Its totient is φ = 676196640.

The previous prime is 676834399. The next prime is 676834441. The reversal of 676834423 is 324438676.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 676834423 - 213 = 676826231 is a prime.

It is a super-4 number, since 4×6768344234 (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676834423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676834453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 317298 + ... + 319423.

It is an arithmetic number, because the mean of its divisors is an integer number (169368052).

Almost surely, 2676834423 is an apocalyptic number.

676834423 is a deficient number, since it is larger than the sum of its proper divisors (637785).

676834423 is a wasteful number, since it uses less digits than its factorization.

676834423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637784.

The product of its digits is 580608, while the sum is 43.

The square root of 676834423 is about 26016.0416474144. The cubic root of 676834423 is about 877.9992523728. Note that the first 3 decimals are identical.

The spelling of 676834423 in words is "six hundred seventy-six million, eight hundred thirty-four thousand, four hundred twenty-three".

Divisors: 1 1063 636721 676834423