Search a number
-
+
4897555520 = 26511131943131
BaseRepresentation
bin1001000111110101…
…01100010001000000
3110122022121121011012
410203322230101000
540012233234040
62125551340052
7232236351344
oct44372542100
913568547135
104897555520
1120935a6a50
12b48221628
13600870560
14346635624
151d9e6c865
hex123eac440

4897555520 has 448 divisors, whose sum is σ = 14870338560. Its totient is φ = 1509580800.

The previous prime is 4897555469. The next prime is 4897555547. The reversal of 4897555520 is 255557984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37385855 + ... + 37385985.

It is an arithmetic number, because the mean of its divisors is an integer number (33192720).

Almost surely, 24897555520 is an apocalyptic number.

4897555520 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 4897555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7435169280).

4897555520 is an abundant number, since it is smaller than the sum of its proper divisors (9972783040).

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

4897555520 is a wasteful number, since it uses less digits than its factorization.

4897555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 50.

The square root of 4897555520 is about 69982.5372503741. The cubic root of 4897555520 is about 1698.2167598557.

The spelling of 4897555520 in words is "four billion, eight hundred ninety-seven million, five hundred fifty-five thousand, five hundred twenty".