Search a number
-
+
1024461456 = 243193073659
BaseRepresentation
bin111101000100000…
…000101010010000
32122101201000220220
4331010000222100
54044230231311
6245353433040
734246531044
oct7504005220
92571630826
101024461456
11486311067
1224710b780
13134323215
149a0b8024
155ee14206
hex3d100a90

1024461456 has 80 divisors (see below), whose sum is σ = 2795654400. Its totient is φ = 322372224.

The previous prime is 1024461419. The next prime is 1024461457. The reversal of 1024461456 is 6541644201.

It is not an unprimeable number, because it can be changed into a prime (1024461457) 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, 278155 + ... + 281813.

It is an arithmetic number, because the mean of its divisors is an integer number (34945680).

Almost surely, 21024461456 is an apocalyptic number.

1024461456 is a gapful number since it is divisible by the number (16) 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 1024461456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397827200).

1024461456 is an abundant number, since it is smaller than the sum of its proper divisors (1771192944).

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

1024461456 is a wasteful number, since it uses less digits than its factorization.

1024461456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1024461456 is about 32007.2094378751. The cubic root of 1024461456 is about 1008.0882229409.

The spelling of 1024461456 in words is "one billion, twenty-four million, four hundred sixty-one thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 307 456 614 912 921 1228 1842 2456 3659 3684 4912 5833 7318 7368 10977 11666 14636 14736 17499 21954 23332 29272 34998 43908 46664 58544 69521 69996 87816 93328 139042 139992 175632 208563 278084 279984 417126 556168 834252 1112336 1123313 1668504 2246626 3337008 3369939 4493252 6739878 8986504 13479756 17973008 21342947 26959512 42685894 53919024 64028841 85371788 128057682 170743576 256115364 341487152 512230728 1024461456