Search a number
-
+
448850988 = 223212468083
BaseRepresentation
bin11010110000001…
…110110000101100
31011021120222210200
4122300032300230
51404401212423
6112312233500
714060112315
oct3260166054
91137528720
10448850988
11210401433
1210639b890
1371cb6a01
144387d60c
1529612d43
hex1ac0ec2c

448850988 has 18 divisors (see below), whose sum is σ = 1134595644. Its totient is φ = 149616984.

The previous prime is 448850977. The next prime is 448850989. The reversal of 448850988 is 889058844.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4488509882 = 402934418857152288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448850989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6234006 + ... + 6234077.

Almost surely, 2448850988 is an apocalyptic number.

It is an amenable number.

448850988 is an abundant number, since it is smaller than the sum of its proper divisors (685744656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448850988 is a wasteful number, since it uses less digits than its factorization.

448850988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468093 (or 12468088 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The square root of 448850988 is about 21186.1036531024. The cubic root of 448850988 is about 765.6566552021.

The spelling of 448850988 in words is "four hundred forty-eight million, eight hundred fifty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 12468083 24936166 37404249 49872332 74808498 112212747 149616996 224425494 448850988