Search a number
-
+
16448243 = 719223283
BaseRepresentation
bin111110101111…
…101011110011
31010221122202012
4332233223303
513202320433
61344313135
7256544030
oct76575363
933848665
1016448243
119314899
1256127ab
13353b8b6
142282387
15169d848
hexfafaf3

16448243 has 24 divisors (see below), whose sum is σ = 20775168. Its totient is φ = 12730608.

The previous prime is 16448233. The next prime is 16448269. The reversal of 16448243 is 34284461.

It is not a de Polignac number, because 16448243 - 24 = 16448227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16448213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57980 + ... + 58262.

It is an arithmetic number, because the mean of its divisors is an integer number (865632).

Almost surely, 216448243 is an apocalyptic number.

16448243 is a deficient number, since it is larger than the sum of its proper divisors (4326925).

16448243 is a wasteful number, since it uses less digits than its factorization.

16448243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 332 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 16448243 is about 4055.6433521699. The cubic root of 16448243 is about 254.3156995829.

The spelling of 16448243 in words is "sixteen million, four hundred forty-eight thousand, two hundred forty-three".

Divisors: 1 7 19 23 133 161 283 361 437 1981 2527 3059 5377 6509 8303 37639 45563 58121 102163 123671 715141 865697 2349749 16448243