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447968448 = 2633397653
BaseRepresentation
bin11010101100110…
…111010011000000
31011012221011012000
4122230313103000
51404134442243
6112241304000
714046445314
oct3254672300
91135834160
10447968448
1120a959364
12106035000
1371a680b5
14436cdb44
15294db5d3
hex1ab374c0

447968448 has 112 divisors (see below), whose sum is σ = 1322283360. Its totient is φ = 148718592.

The previous prime is 447968441. The next prime is 447968467. The reversal of 447968448 is 844869744.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 447968394 and 447968403.

It is not an unprimeable number, because it can be changed into a prime (447968441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685690 + ... + 686342.

Almost surely, 2447968448 is an apocalyptic number.

447968448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447968448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661141680).

447968448 is an abundant number, since it is smaller than the sum of its proper divisors (874314912).

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

447968448 is a wasteful number, since it uses less digits than its factorization.

447968448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1055 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 447968448 is about 21165.2651294521. The cubic root of 447968448 is about 765.1545093525.

It can be divided in two parts, 4479 and 68448, that added together give a palindrome (72927).

The spelling of 447968448 in words is "four hundred forty-seven million, nine hundred sixty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 397 432 576 653 794 864 1191 1306 1588 1728 1959 2382 2612 3176 3573 3918 4764 5224 5877 6352 7146 7836 9528 10448 10719 11754 12704 14292 15672 17631 19056 20896 21438 23508 25408 28584 31344 35262 38112 41792 42876 47016 57168 62688 70524 76224 85752 94032 114336 125376 141048 171504 188064 228672 259241 282096 343008 376128 518482 564192 686016 777723 1036964 1128384 1555446 2073928 2333169 3110892 4147856 4666338 6221784 6999507 8295712 9332676 12443568 13999014 16591424 18665352 24887136 27998028 37330704 49774272 55996056 74661408 111992112 149322816 223984224 447968448