Search a number
-
+
4889149440 = 215357329
BaseRepresentation
bin1001000110110101…
…01000000000000000
3110121201210112011220
410203122220000000
540003110240230
62125051235040
7232105041000
oct44332500000
913551715156
104889149440
11208988537a
12b45448a80
135cbbb9346
14345488000
151d935bd10
hex1236a8000

4889149440 has 512 divisors, whose sum is σ = 18874080000. Its totient is φ = 1078984704.

The previous prime is 4889149439. The next prime is 4889149471. The reversal of 4889149440 is 449419884.

It is a tau number, because it is divible by the number of its divisors (512).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168591346 + ... + 168591374.

Almost surely, 24889149440 is an apocalyptic number.

4889149440 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 4889149440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9437040000).

4889149440 is an abundant number, since it is smaller than the sum of its proper divisors (13984930560).

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

4889149440 is an frugal number, since it uses more digits than its factorization.

4889149440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 4889149440 is about 69922.4530462140. The cubic root of 4889149440 is about 1697.2446067752.

The spelling of 4889149440 in words is "four billion, eight hundred eighty-nine million, one hundred forty-nine thousand, four hundred forty".