Search a number
-
+
4885280 = 255191607
BaseRepresentation
bin10010101000101100100000
3100012012100022
4102220230200
52222312110
6252413012
756344541
oct22505440
910165308
104885280
112837424
121777168
1310207ca
149124c8
15667755
hex4a8b20

4885280 has 48 divisors (see below), whose sum is σ = 12156480. Its totient is φ = 1850112.

The previous prime is 4885277. The next prime is 4885289. The reversal of 4885280 is 825884.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 4885280.

It is not an unprimeable number, because it can be changed into a prime (4885289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (253260).

Almost surely, 24885280 is an apocalyptic number.

4885280 is a gapful number since it is divisible by the number (40) 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 4885280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6078240).

4885280 is an abundant number, since it is smaller than the sum of its proper divisors (7271200).

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

4885280 is a wasteful number, since it uses less digits than its factorization.

4885280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 4885280 is about 2210.2669522028. The cubic root of 4885280 is about 169.6796736134.

The spelling of 4885280 in words is "four million, eight hundred eighty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 1607 3040 3214 6428 8035 12856 16070 25712 30533 32140 51424 61066 64280 122132 128560 152665 244264 257120 305330 488528 610660 977056 1221320 2442640 4885280