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2206383840 = 253354112457
BaseRepresentation
bin1000001110000010…
…1011111011100000
312200202200220122000
42003200223323200
514004313240330
61002534244000
7105450644643
oct20340537340
95622626560
102206383840
11a3249a921
12516ab6600
1329215828b
1416d05da5a
15cda7d560
hex8382bee0

2206383840 has 192 divisors, whose sum is σ = 7911328320. Its totient is φ = 573972480.

The previous prime is 2206383833. The next prime is 2206383857. The reversal of 2206383840 is 483836022.

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 = 2206383795 and 2206383804.

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, 170892 + ... + 183348.

It is an arithmetic number, because the mean of its divisors is an integer number (41204835).

Almost surely, 22206383840 is an apocalyptic number.

2206383840 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 2206383840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3955664160).

2206383840 is an abundant number, since it is smaller than the sum of its proper divisors (5704944480).

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

2206383840 is a wasteful number, since it uses less digits than its factorization.

2206383840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522 (or 12508 counting only the distinct ones).

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

The square root of 2206383840 is about 46972.1602654168. The cubic root of 2206383840 is about 1301.8482271217.

The spelling of 2206383840 in words is "two billion, two hundred six million, three hundred eighty-three thousand, eight hundred forty".