Search a number
-
+
17996929 is a prime number
BaseRepresentation
bin100010010100…
…1110010000001
31020212100010221
41010221302001
514101400204
61441423041
7305654116
oct104516201
936770127
1017996929
11a1823a5
12603aa81
133961792
14256690d
1518a7654
hex1129c81

17996929 has 2 divisors, whose sum is σ = 17996930. Its totient is φ = 17996928.

The previous prime is 17996893. The next prime is 17996941. The reversal of 17996929 is 92969971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17098225 + 898704 = 4135^2 + 948^2 .

It is a cyclic number.

It is not a de Polignac number, because 17996929 - 219 = 17472641 is a prime.

It is not a weakly prime, because it can be changed into another prime (17996129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8998464 + 8998465.

It is an arithmetic number, because the mean of its divisors is an integer number (8998465).

Almost surely, 217996929 is an apocalyptic number.

It is an amenable number.

17996929 is a deficient number, since it is larger than the sum of its proper divisors (1).

17996929 is an equidigital number, since it uses as much as digits as its factorization.

17996929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 52.

The square root of 17996929 is about 4242.2787508602. The cubic root of 17996929 is about 262.0592343198.

The spelling of 17996929 in words is "seventeen million, nine hundred ninety-six thousand, nine hundred twenty-nine".