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676413689 = 7261972333
BaseRepresentation
bin101000010100010…
…100000011111001
31202010210101010212
4220110110003321
52341130214224
6151041520505
722522264400
oct5024240371
91663711125
10676413689
113178aa686
1216a643135
13aa1a17b3
1465b98637
153e5b3d0e
hex285140f9

676413689 has 24 divisors (see below), whose sum is σ = 808338888. Its totient is φ = 564157440.

The previous prime is 676413677. The next prime is 676413691. The reversal of 676413689 is 986314676.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 676260025 = 392^2 + 26005^2 .

It is not a de Polignac number, because 676413689 - 212 = 676409593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676413659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288767 + ... + 291099.

It is an arithmetic number, because the mean of its divisors is an integer number (33680787).

Almost surely, 2676413689 is an apocalyptic number.

It is an amenable number.

676413689 is a deficient number, since it is larger than the sum of its proper divisors (131925199).

676413689 is a wasteful number, since it uses less digits than its factorization.

676413689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2498 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 676413689 is about 26007.9543409319. The cubic root of 676413689 is about 877.8172872844.

The spelling of 676413689 in words is "six hundred seventy-six million, four hundred thirteen thousand, six hundred eighty-nine".

Divisors: 1 7 49 61 97 427 679 2333 2989 4753 5917 16331 41419 114317 142313 226301 289933 996191 1584107 6973337 11088749 13804361 96630527 676413689