Search a number
-
+
16800445 = 58340483
BaseRepresentation
bin100000000010…
…1101010111101
31011121112212201
41000011222331
513300103240
61400031501
7262541614
oct100055275
934545781
1016800445
119535472
125762591
133632cbc
14233487b
15171cd9a
hex1005abd

16800445 has 8 divisors (see below), whose sum is σ = 20403936. Its totient is φ = 13278096.

The previous prime is 16800431. The next prime is 16800467. The reversal of 16800445 is 54400861.

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 16800445 - 215 = 16767677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19827 + ... + 20656.

It is an arithmetic number, because the mean of its divisors is an integer number (2550492).

Almost surely, 216800445 is an apocalyptic number.

It is an amenable number.

16800445 is a deficient number, since it is larger than the sum of its proper divisors (3603491).

16800445 is an equidigital number, since it uses as much as digits as its factorization.

16800445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40571.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16800445 is about 4098.8345904659. The cubic root of 16800445 is about 256.1180943177.

The spelling of 16800445 in words is "sixteen million, eight hundred thousand, four hundred forty-five".

Divisors: 1 5 83 415 40483 202415 3360089 16800445