Search a number
-
+
675682161 = 371119153949
BaseRepresentation
bin101000010001100…
…001011101110001
31202002102012200020
4220101201131301
52340433312121
6151014114053
722513126560
oct5021413561
91662365606
10675682161
11317450010
1216a34b929
13a9ca683b
1465a47bd7
153e4bc1c6
hex28461771

675682161 has 32 divisors (see below), whose sum is σ = 1182336000. Its totient is φ = 332527680.

The previous prime is 675682151. The next prime is 675682229. The reversal of 675682161 is 161286576.

It is not a de Polignac number, because 675682161 - 25 = 675682129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675682151) 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 31 ways as a sum of consecutive naturals, for example, 72586 + ... + 81363.

It is an arithmetic number, because the mean of its divisors is an integer number (36948000).

Almost surely, 2675682161 is an apocalyptic number.

It is an amenable number.

675682161 is a deficient number, since it is larger than the sum of its proper divisors (506653839).

675682161 is a wasteful number, since it uses less digits than its factorization.

675682161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153989.

The product of its digits is 120960, while the sum is 42.

The square root of 675682161 is about 25993.8869929066. The cubic root of 675682161 is about 877.5007258052.

The spelling of 675682161 in words is "six hundred seventy-five million, six hundred eighty-two thousand, one hundred sixty-one".

Divisors: 1 3 7 11 19 21 33 57 77 133 209 231 399 627 1463 4389 153949 461847 1077643 1693439 2925031 3232929 5080317 8775093 11854073 20475217 32175341 35562219 61425651 96526023 225227387 675682161