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2213403140 = 225132654853
BaseRepresentation
bin1000001111101101…
…1101101000000100
312201020220112022002
42003323131220010
514013112400030
61003344524432
7105564421244
oct20373355004
95636815262
102213403140
11a364545a3
12519320718
13293745200
1416dd69b24
15ce4b8245
hex83edda04

2213403140 has 36 divisors (see below), whose sum is σ = 5033207844. Its totient is φ = 817255296.

The previous prime is 2213403121. The next prime is 2213403169. The reversal of 2213403140 is 413043122.

It can be written as a sum of positive squares in 6 ways, for example, as 325153024 + 1888250116 = 18032^2 + 43454^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324047 + ... + 330806.

It is an arithmetic number, because the mean of its divisors is an integer number (139811329).

Almost surely, 22213403140 is an apocalyptic number.

2213403140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213403140 is an abundant number, since it is smaller than the sum of its proper divisors (2819804704).

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

2213403140 is a wasteful number, since it uses less digits than its factorization.

2213403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654888 (or 654873 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2213403140 is about 47046.8185959476. The cubic root of 2213403140 is about 1303.2273147338.

Adding to 2213403140 its reverse (413043122), we get a palindrome (2626446262).

The spelling of 2213403140 in words is "two billion, two hundred thirteen million, four hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 654853 1309706 2619412 3274265 6548530 8513089 13097060 17026178 34052356 42565445 85130890 110670157 170261780 221340314 442680628 553350785 1106701570 2213403140