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675494161 = 7910184659
BaseRepresentation
bin101000010000110…
…011100100010001
31202002001122210021
4220100303210101
52340411303121
6151010103441
722511414506
oct5020634421
91662048707
10675494161
11317331841
1216a27ab81
13a9c3c0b4
14659d94ad
153e481641
hex28433911

675494161 has 8 divisors (see below), whose sum is σ = 690825600. Its totient is φ = 660332400.

The previous prime is 675494159. The next prime is 675494173. The reversal of 675494161 is 161494576.

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 675494161 - 21 = 675494159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675494101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34351 + ... + 50308.

It is an arithmetic number, because the mean of its divisors is an integer number (86353200).

Almost surely, 2675494161 is an apocalyptic number.

It is an amenable number.

675494161 is a deficient number, since it is larger than the sum of its proper divisors (15331439).

675494161 is a wasteful number, since it uses less digits than its factorization.

675494161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84839.

The product of its digits is 181440, while the sum is 43.

The square root of 675494161 is about 25990.2705064799. The cubic root of 675494161 is about 877.4193337698.

The spelling of 675494161 in words is "six hundred seventy-five million, four hundred ninety-four thousand, one hundred sixty-one".

Divisors: 1 79 101 7979 84659 6688061 8550559 675494161