Search a number
-
+
7663248 = 243873
BaseRepresentation
bin11101001110111010010000
3112102100000000
4131032322100
53430210443
6432130000
7122064555
oct35167220
915370000
107663248
11436456a
122696900
131784088
141036a2c
15a158d3
hex74ee90

7663248 has 90 divisors (see below), whose sum is σ = 22575254. Its totient is φ = 2519424.

The previous prime is 7663241. The next prime is 7663261. The reversal of 7663248 is 8423667.

7663248 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 944784 = 2592^2 + 972^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7663241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 104940 + ... + 105012.

Almost surely, 27663248 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 7663248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11287627).

7663248 is an abundant number, since it is smaller than the sum of its proper divisors (14912006).

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

7663248 is an frugal number, since it uses more digits than its factorization.

7663248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 78 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 7663248 is about 2768.2572134829. The cubic root of 7663248 is about 197.1534101831.

The spelling of 7663248 in words is "seven million, six hundred sixty-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 73 81 108 144 146 162 216 219 243 292 324 432 438 486 584 648 657 729 876 972 1168 1296 1314 1458 1752 1944 1971 2187 2628 2916 3504 3888 3942 4374 5256 5832 5913 6561 7884 8748 10512 11664 11826 13122 15768 17496 17739 23652 26244 31536 34992 35478 47304 52488 53217 70956 94608 104976 106434 141912 159651 212868 283824 319302 425736 478953 638604 851472 957906 1277208 1915812 2554416 3831624 7663248