Search a number
-
+
16994029 = 132945077
BaseRepresentation
bin100000011010…
…0111011101101
31011222101102111
41000310323231
513322302104
61404124021
7264306163
oct100647355
934871374
1016994029
119657958
125836611
1336a0150
142385233
15175a404
hex1034eed

16994029 has 8 divisors (see below), whose sum is σ = 18932760. Its totient is φ = 15145536.

The previous prime is 16994027. The next prime is 16994039. The reversal of 16994029 is 92049961.

It can be written as a sum of positive squares in 4 ways, for example, as 1010025 + 15984004 = 1005^2 + 3998^2 .

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 16994029 - 21 = 16994027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16993982 and 16994000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994027) 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 7 ways as a sum of consecutive naturals, for example, 22162 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (2366595).

Almost surely, 216994029 is an apocalyptic number.

It is an amenable number.

16994029 is a deficient number, since it is larger than the sum of its proper divisors (1938731).

16994029 is a wasteful number, since it uses less digits than its factorization.

16994029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45119.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 16994029 is about 4122.3814719164. The cubic root of 16994029 is about 257.0980513791.

The spelling of 16994029 in words is "sixteen million, nine hundred ninety-four thousand, twenty-nine".

Divisors: 1 13 29 377 45077 586001 1307233 16994029