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675140641 = 796448663
BaseRepresentation
bin101000001111011…
…101010000100001
31202001101200211221
4220033131100201
52340314000031
6150554335041
722505413030
oct5017352041
91661350757
10675140641
1131711017a
1216a12a481
13a9b47206
1465946717
153e411a11
hex283dd421

675140641 has 4 divisors (see below), whose sum is σ = 771589312. Its totient is φ = 578691972.

The previous prime is 675140639. The next prime is 675140647. The reversal of 675140641 is 146041576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 675140641 - 21 = 675140639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 675140597 and 675140606.

It is not an unprimeable number, because it can be changed into a prime (675140647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48224325 + ... + 48224338.

It is an arithmetic number, because the mean of its divisors is an integer number (192897328).

Almost surely, 2675140641 is an apocalyptic number.

It is an amenable number.

675140641 is a deficient number, since it is larger than the sum of its proper divisors (96448671).

675140641 is an equidigital number, since it uses as much as digits as its factorization.

675140641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96448670.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 675140641 is about 25983.4686098681. The cubic root of 675140641 is about 877.2662412003.

The spelling of 675140641 in words is "six hundred seventy-five million, one hundred forty thousand, six hundred forty-one".

Divisors: 1 7 96448663 675140641