Base | Representation |
---|---|
bin | 10011001000000… |
… | …10101000110011 |
3 | 102011220100022210 |
4 | 21210002220303 |
5 | 312033133211 |
6 | 23530503203 |
7 | 3655512435 |
oct | 1144025063 |
9 | 364810283 |
10 | 160442931 |
11 | 82625170 |
12 | 45894b03 |
13 | 2731725c |
14 | 17446655 |
15 | e1439a6 |
hex | 9902a33 |
160442931 has 8 divisors (see below), whose sum is σ = 233371584. Its totient is φ = 97238120.
The previous prime is 160442921. The next prime is 160442939. The reversal of 160442931 is 139244061.
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 160442931 - 25 = 160442899 is a prime.
It is a super-2 number, since 2×1604429312 = 51483868215741522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (160442939) 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, 2430921 + ... + 2430986.
It is an arithmetic number, because the mean of its divisors is an integer number (29171448).
Almost surely, 2160442931 is an apocalyptic number.
160442931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
160442931 is a deficient number, since it is larger than the sum of its proper divisors (72928653).
160442931 is a wasteful number, since it uses less digits than its factorization.
160442931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4861921.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 160442931 is about 12666.6069252977. The cubic root of 160442931 is about 543.3840199702.
Adding to 160442931 its reverse (139244061), we get a palindrome (299686992).
The spelling of 160442931 in words is "one hundred sixty million, four hundred forty-two thousand, nine hundred thirty-one".
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