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675224819 = 1739719107
BaseRepresentation
bin101000001111110…
…001110011110011
31202001112222022122
4220033301303303
52340324143234
6151000224455
722506213323
oct5017616363
91661488278
10675224819
11317168445
1216a16b12b
13a9b76619
1465969283
153e42b92e
hex283f1cf3

675224819 has 4 divisors (see below), whose sum is σ = 714943944. Its totient is φ = 635505696.

The previous prime is 675224783. The next prime is 675224827. The reversal of 675224819 is 918422576.

It is a happy number.

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

It is not a de Polignac number, because 675224819 - 216 = 675159283 is a prime.

It is a super-2 number, since 2×6752248192 = 911857112387165522, which contains 22 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 675224819.

It is not an unprimeable number, because it can be changed into a prime (675214819) 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, 19859537 + ... + 19859570.

It is an arithmetic number, because the mean of its divisors is an integer number (178735986).

Almost surely, 2675224819 is an apocalyptic number.

675224819 is a deficient number, since it is larger than the sum of its proper divisors (39719125).

675224819 is a wasteful number, since it uses less digits than its factorization.

675224819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39719124.

The product of its digits is 241920, while the sum is 44.

The square root of 675224819 is about 25985.0883970018. The cubic root of 675224819 is about 877.3026995045.

The spelling of 675224819 in words is "six hundred seventy-five million, two hundred twenty-four thousand, eight hundred nineteen".

Divisors: 1 17 39719107 675224819