Search a number
-
+
448899 = 31161223
BaseRepresentation
bin1101101100110000011
3211210202220
41231212003
5103331044
613342123
73546513
oct1554603
9753686
10448899
112872a0
12197943
13129429
14b9843
158d019
hex6d983

448899 has 16 divisors (see below), whose sum is σ = 666624. Its totient is φ = 266400.

The previous prime is 448883. The next prime is 448907. The reversal of 448899 is 998844.

It is a Cunningham number, because it is equal to 6702-1.

It is not a de Polignac number, because 448899 - 24 = 448883 is a prime.

It is a super-3 number, since 3×4488993 = 271373332910150097, which contains 333 as substring.

It is a plaindrome in base 10.

It is a nialpdrome in base 14.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 448899.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448899.

It is not an unprimeable number, because it can be changed into a prime (448829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2448899 is an apocalyptic number.

448899 is a deficient number, since it is larger than the sum of its proper divisors (217725).

448899 is a wasteful number, since it uses less digits than its factorization.

448899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

The product of its digits is 82944, while the sum is 42.

The square root of 448899 is about 669.9992537309. Note that the first 3 decimals coincide. The cubic root of 448899 is about 76.5683954089.

Subtracting 448899 from its reverse (998844), we obtain a palindrome (549945).

The spelling of 448899 in words is "four hundred forty-eight thousand, eight hundred ninety-nine".

Divisors: 1 3 11 33 61 183 223 669 671 2013 2453 7359 13603 40809 149633 448899