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2213540320 = 25513834627
BaseRepresentation
bin1000001111101111…
…1111000111100000
312201021011111110211
42003323333013200
514013131242240
61003351503504
7105565532215
oct20373770740
95637144424
102213540320
11a36538672
12519387b94
13293792794
1416dda3b0c
15ce4e3bea
hex83eff1e0

2213540320 has 24 divisors (see below), whose sum is σ = 5229489384. Its totient is φ = 885416064.

The previous prime is 2213540293. The next prime is 2213540387. The reversal of 2213540320 is 230453122.

It is a junction number, because it is equal to n+sod(n) for n = 2213540291 and 2213540300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917154 + ... + 6917473.

It is an arithmetic number, because the mean of its divisors is an integer number (217895391).

Almost surely, 22213540320 is an apocalyptic number.

2213540320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213540320 is an abundant number, since it is smaller than the sum of its proper divisors (3015949064).

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

2213540320 is a wasteful number, since it uses less digits than its factorization.

2213540320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13834642 (or 13834634 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2213540320 is about 47048.2764827788. The cubic root of 2213540320 is about 1303.2542375337.

Adding to 2213540320 its reverse (230453122), we get a palindrome (2443993442).

The spelling of 2213540320 in words is "two billion, two hundred thirteen million, five hundred forty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 13834627 27669254 55338508 69173135 110677016 138346270 221354032 276692540 442708064 553385080 1106770160 2213540320