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2211490848 = 25372326221
BaseRepresentation
bin1000001111010000…
…1010110000100000
312201010022101010110
42003310022300200
514012120201343
61003235531320
7105542235120
oct20364126040
95633271113
102211490848
11a35368896
12518759b40
13293225988
1416d9ccc80
15ce23b833
hex83d0ac20

2211490848 has 144 divisors (see below), whose sum is σ = 6936584256. Its totient is φ = 604285440.

The previous prime is 2211490847. The next prime is 2211490861. The reversal of 2211490848 is 8480941122.

It is not an unprimeable number, because it can be changed into a prime (2211490847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352378 + ... + 358598.

It is an arithmetic number, because the mean of its divisors is an integer number (48170724).

Almost surely, 22211490848 is an apocalyptic number.

2211490848 is a gapful number since it is divisible by the number (28) 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 2211490848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3468292128).

2211490848 is an abundant number, since it is smaller than the sum of its proper divisors (4725093408).

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

2211490848 is a wasteful number, since it uses less digits than its factorization.

2211490848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6256 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2211490848 is about 47026.4909173542. The cubic root of 2211490848 is about 1302.8518944629.

The spelling of 2211490848 in words is "two billion, two hundred eleven million, four hundred ninety thousand, eight hundred forty-eight".