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448147152 = 243211327541
BaseRepresentation
bin11010101101100…
…010111011010000
31011020021020022200
4122231202323100
51404211202102
6112245203200
714051121315
oct3255427320
91136236280
10448147152
1120aa70652
12106100500
1371acb53b
1443738d0c
152952451c
hex1ab62ed0

448147152 has 60 divisors (see below), whose sum is σ = 1265334564. Its totient is φ = 148055040.

The previous prime is 448147127. The next prime is 448147153. The reversal of 448147152 is 251741844.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71166096 + 376981056 = 8436^2 + 19416^2 .

It is a super-2 number, since 2×4481471522 = 401671739691422208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448147153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2502 + ... + 30042.

Almost surely, 2448147152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448147152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632667282).

448147152 is an abundant number, since it is smaller than the sum of its proper divisors (817187412).

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

448147152 is a wasteful number, since it uses less digits than its factorization.

448147152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27668 (or 27659 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 448147152 is about 21169.4863423750. The cubic root of 448147152 is about 765.2562412146.

Adding to 448147152 its reverse (251741844), we get a palindrome (699888996).

The spelling of 448147152 in words is "four hundred forty-eight million, one hundred forty-seven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 113 144 226 339 452 678 904 1017 1356 1808 2034 2712 4068 5424 8136 16272 27541 55082 82623 110164 165246 220328 247869 330492 440656 495738 660984 991476 1321968 1982952 3112133 3965904 6224266 9336399 12448532 18672798 24897064 28009197 37345596 49794128 56018394 74691192 112036788 149382384 224073576 448147152