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448380320 = 2552802377
BaseRepresentation
bin11010101110011…
…011110110100000
31011020201002011112
4122232123312200
51404241132240
6112254202452
714053112153
oct3256336640
91136632145
10448380320
1121010a853
121061b3428
1371b806cb
1443799c9a
152956d665
hex1ab9bda0

448380320 has 24 divisors (see below), whose sum is σ = 1059298884. Its totient is φ = 179352064.

The previous prime is 448380299. The next prime is 448380337. The reversal of 448380320 is 23083844.

It can be written as a sum of positive squares in 2 ways, for example, as 448253584 + 126736 = 21172^2 + 356^2 .

It is a super-2 number, since 2×4483803202 = 402089822726604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401029 + ... + 1401348.

Almost surely, 2448380320 is an apocalyptic number.

448380320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448380320 is an abundant number, since it is smaller than the sum of its proper divisors (610918564).

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

448380320 is a wasteful number, since it uses less digits than its factorization.

448380320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802392 (or 2802384 counting only the distinct ones).

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

The square root of 448380320 is about 21174.9927981098. The cubic root of 448380320 is about 765.3889374577.

The spelling of 448380320 in words is "four hundred forty-eight million, three hundred eighty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2802377 5604754 11209508 14011885 22419016 28023770 44838032 56047540 89676064 112095080 224190160 448380320