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448145148 = 223113395039
BaseRepresentation
bin11010101101100…
…010011011111100
31011020021010120110
4122231202123330
51404211121043
6112245150020
714051112423
oct3255423374
91136233513
10448145148
1120aa6a0a0
121060bb310
1371aca659
14437382ba
1529523b33
hex1ab626fc

448145148 has 24 divisors (see below), whose sum is σ = 1140733440. Its totient is φ = 135801520.

The previous prime is 448145063. The next prime is 448145167. The reversal of 448145148 is 841541844.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697388 + ... + 1697651.

It is an arithmetic number, because the mean of its divisors is an integer number (47530560).

Almost surely, 2448145148 is an apocalyptic number.

It is an amenable number.

448145148 is an abundant number, since it is smaller than the sum of its proper divisors (692588292).

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

448145148 is a wasteful number, since it uses less digits than its factorization.

448145148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395057 (or 3395055 counting only the distinct ones).

The product of its digits is 81920, while the sum is 39.

The square root of 448145148 is about 21169.4390100446. The cubic root of 448145148 is about 765.2551005359.

The spelling of 448145148 in words is "four hundred forty-eight million, one hundred forty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 3395039 6790078 10185117 13580156 20370234 37345429 40740468 74690858 112036287 149381716 224072574 448145148