Search a number
-
+
676021249 = 7926332537
BaseRepresentation
bin101000010010110…
…100010000000001
31202010001102211001
4220102310100001
52341030134444
6151025252001
722516041301
oct5022642001
91663042731
10676021249
11317661852
1216a494001
13aa094c97
1465ad5601
153e5378d4
hex284b4401

676021249 has 8 divisors (see below), whose sum is σ = 687202560. Its totient is φ = 664905696.

The previous prime is 676021237. The next prime is 676021259. The reversal of 676021249 is 942120676.

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 676021249 - 219 = 675496961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676021259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509 + ... + 37045.

It is an arithmetic number, because the mean of its divisors is an integer number (85900320).

Almost surely, 2676021249 is an apocalyptic number.

It is an amenable number.

676021249 is a deficient number, since it is larger than the sum of its proper divisors (11181311).

676021249 is a wasteful number, since it uses less digits than its factorization.

676021249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32879.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 676021249 is about 26000.4086314042. The cubic root of 676021249 is about 877.6474911644.

The spelling of 676021249 in words is "six hundred seventy-six million, twenty-one thousand, two hundred forty-nine".

Divisors: 1 79 263 20777 32537 2570423 8557231 676021249