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448041889 = 6123472
BaseRepresentation
bin11010101101001…
…001001110100001
31011020001212221001
4122231021032201
51404144320024
6112243032001
714050202401
oct3255111641
91136055831
10448041889
1120a9a9559
1210606b601
1371a92659
144370c801
1529503244
hex1ab493a1

448041889 has 9 divisors (see below), whose sum is σ = 456823731. Its totient is φ = 439426920.

The previous prime is 448041871. The next prime is 448041899. The reversal of 448041889 is 988140844.

The square root of 448041889 is 21167.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14569489 + 433472400 = 3817^2 + 20820^2 .

It is not a de Polignac number, because 448041889 - 25 = 448041857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448041899) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1291014 + ... + 1291360.

Almost surely, 2448041889 is an apocalyptic number.

448041889 is the 21167-th square number.

448041889 is the 10584-th centered octagonal number.

It is an amenable number.

448041889 is a deficient number, since it is larger than the sum of its proper divisors (8781842).

448041889 is an frugal number, since it uses more digits than its factorization.

448041889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The cubic root of 448041889 is about 765.1963208104.

The spelling of 448041889 in words is "four hundred forty-eight million, forty-one thousand, eight hundred eighty-nine".

Divisors: 1 61 347 3721 21167 120409 1291187 7344949 448041889