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2248316640 = 2532517293167
BaseRepresentation
bin1000011000000010…
…1001011011100000
312210200121022121200
42012000221123200
514101032113030
61011033121200
7106500243003
oct20600513340
95720538550
102248316640
11a54130629
12528b59200
1329aa4a79b
1417485753a
15d25b2d60
hex860296e0

2248316640 has 288 divisors, whose sum is σ = 8406478080. Its totient is φ = 544653312.

The previous prime is 2248316621. The next prime is 2248316671. The reversal of 2248316640 is 466138422.

2248316640 is a `hidden beast` number, since 2 + 2 + 4 + 8 + 3 + 1 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a junction number, because it is equal to n+sod(n) for n = 2248316595 and 2248316604.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 708337 + ... + 711503.

It is an arithmetic number, because the mean of its divisors is an integer number (29189160).

Almost surely, 22248316640 is an apocalyptic number.

2248316640 is a gapful number since it is divisible by the number (20) 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 2248316640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4203239040).

2248316640 is an abundant number, since it is smaller than the sum of its proper divisors (6158161440).

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

2248316640 is a wasteful number, since it uses less digits than its factorization.

2248316640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2248316640 is about 47416.4174100068. The cubic root of 2248316640 is about 1310.0438265935.

The spelling of 2248316640 in words is "two billion, two hundred forty-eight million, three hundred sixteen thousand, six hundred forty".