Search a number
-
+
16949027 = 101916633
BaseRepresentation
bin100000010100…
…1111100100011
31011220002200202
41000221330203
513314332102
61403135415
7264031034
oct100517443
934802622
1016949027
119627067
12581456b
133685814
142372a8b
15174be02
hex1029f23

16949027 has 4 divisors (see below), whose sum is σ = 16966680. Its totient is φ = 16931376.

The previous prime is 16949011. The next prime is 16949047. The reversal of 16949027 is 72094961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72094961 = 431676627.

It is a cyclic number.

It is not a de Polignac number, because 16949027 - 24 = 16949011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16949047) 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 3 ways as a sum of consecutive naturals, for example, 7298 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (4241670).

Almost surely, 216949027 is an apocalyptic number.

16949027 is a deficient number, since it is larger than the sum of its proper divisors (17653).

16949027 is a wasteful number, since it uses less digits than its factorization.

16949027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17652.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 16949027 is about 4116.9196008666. The cubic root of 16949027 is about 256.8709097487.

The spelling of 16949027 in words is "sixteen million, nine hundred forty-nine thousand, twenty-seven".

Divisors: 1 1019 16633 16949027