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16970 = 251697
BaseRepresentation
bin100001001001010
3212021112
410021022
51020340
6210322
7100322
oct41112
925245
1016970
1111828
1299a2
137955
146282
155065
hex424a

16970 has 8 divisors (see below), whose sum is σ = 30564. Its totient is φ = 6784.

The previous prime is 16963. The next prime is 16979. The reversal of 16970 is 7961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 841 = 127^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16979) by changing a digit.

16970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839 + ... + 858.

216970 is an apocalyptic number.

16970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16970 is a deficient number, since it is larger than the sum of its proper divisors (13594).

16970 is a wasteful number, since it uses less digits than its factorization.

16970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 16970 is about 130.2689525559. The cubic root of 16970 is about 25.6976818149.

Subtracting from 16970 its reverse (7961), we obtain a palindrome (9009).

The spelling of 16970 in words is "sixteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 1697 3394 8485 16970