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675258641 = 2932304637
BaseRepresentation
bin101000001111111…
…010000100010001
31202001121200201022
4220033322010101
52340331234031
6151001045225
722506414041
oct5017720421
91661550638
10675258641
113171908a2
1216a186815
13a9b88b35
1465977721
153e43697b
hex283fa111

675258641 has 4 divisors (see below), whose sum is σ = 677563572. Its totient is φ = 672953712.

The previous prime is 675258631. The next prime is 675258653. The reversal of 675258641 is 146852576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 641153041 + 34105600 = 25321^2 + 5840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-675258641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 675258592 and 675258601.

It is not an unprimeable number, because it can be changed into a prime (675258611) 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, 1152026 + ... + 1152611.

It is an arithmetic number, because the mean of its divisors is an integer number (169390893).

Almost surely, 2675258641 is an apocalyptic number.

It is an amenable number.

675258641 is a deficient number, since it is larger than the sum of its proper divisors (2304931).

675258641 is a wasteful number, since it uses less digits than its factorization.

675258641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304930.

The product of its digits is 403200, while the sum is 44.

The square root of 675258641 is about 25985.7391851762. The cubic root of 675258641 is about 877.3173472859.

The spelling of 675258641 in words is "six hundred seventy-five million, two hundred fifty-eight thousand, six hundred forty-one".

Divisors: 1 293 2304637 675258641