Search a number
-
+
16944799 = 89190391
BaseRepresentation
bin100000010100…
…0111010011111
31011212212220011
41000220322133
513314213144
61403104051
7264012514
oct100507237
934785804
1016944799
119623973
125812027
133683911
14237130b
15174aa34
hex1028e9f

16944799 has 4 divisors (see below), whose sum is σ = 17135280. Its totient is φ = 16754320.

The previous prime is 16944793. The next prime is 16944803. The reversal of 16944799 is 99744961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99744961 = 801112451.

It is a cyclic number.

It is not a de Polignac number, because 16944799 - 23 = 16944791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95107 + ... + 95284.

It is an arithmetic number, because the mean of its divisors is an integer number (4283820).

Almost surely, 216944799 is an apocalyptic number.

16944799 is a deficient number, since it is larger than the sum of its proper divisors (190481).

16944799 is an equidigital number, since it uses as much as digits as its factorization.

16944799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190480.

The product of its digits is 489888, while the sum is 49.

The square root of 16944799 is about 4116.4060781220. The cubic root of 16944799 is about 256.8495488268.

The spelling of 16944799 in words is "sixteen million, nine hundred forty-four thousand, seven hundred ninety-nine".

Divisors: 1 89 190391 16944799