Search a number
-
+
448683648 = 2737712351
BaseRepresentation
bin11010101111100…
…101111010000000
31011021021111020220
4122233211322000
51404330334043
6112304503040
714055514410
oct3257457200
91137244226
10448683648
112102a7736
1210631aa80
1371c587aa
1443838640
15295cd483
hex1abe5e80

448683648 has 128 divisors (see below), whose sum is σ = 1381847040. Its totient is φ = 126336000.

The previous prime is 448683647. The next prime is 448683649. The reversal of 448683648 is 846386844.

It is an interprime number because it is at equal distance from previous prime (448683647) and next prime (448683649).

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 448683648.

It is not an unprimeable number, because it can be changed into a prime (448683643) 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, 189673 + ... + 192023.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2448683648 is an apocalyptic number.

448683648 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 448683648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690923520).

448683648 is an abundant number, since it is smaller than the sum of its proper divisors (933163392).

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

448683648 is a wasteful number, since it uses less digits than its factorization.

448683648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2434 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 51.

The square root of 448683648 is about 21182.1539981183. The cubic root of 448683648 is about 765.5614930259.

It can be divided in two parts, 44868 and 3648, that added together give a triangular number (48516 = T311).

The spelling of 448683648 in words is "four hundred forty-eight million, six hundred eighty-three thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 71 84 96 112 128 142 168 192 213 224 284 336 384 426 448 497 568 672 852 896 994 1136 1344 1491 1704 1988 2272 2351 2688 2982 3408 3976 4544 4702 5964 6816 7053 7952 9088 9404 11928 13632 14106 15904 16457 18808 23856 27264 28212 31808 32914 37616 47712 49371 56424 63616 65828 75232 95424 98742 112848 131656 150464 166921 190848 197484 225696 263312 300928 333842 394968 451392 500763 526624 667684 789936 902784 1001526 1053248 1168447 1335368 1579872 2003052 2106496 2336894 2670736 3159744 3505341 4006104 4673788 5341472 6319488 7010682 8012208 9347576 10682944 14021364 16024416 18695152 21365888 28042728 32048832 37390304 56085456 64097664 74780608 112170912 149561216 224341824 448683648