Search a number
-
+
2212400 = 24525531
BaseRepresentation
bin1000011100001000110000
311011101211202
420130020300
51031244100
6115230332
724543101
oct10341060
94141752
102212400
111281233
128a83a8
135c6018
144183a8
152da7d5
hex21c230

2212400 has 30 divisors (see below), whose sum is σ = 5316252. Its totient is φ = 884800.

The previous prime is 2212391. The next prime is 2212421. The reversal of 2212400 is 42122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2366 + ... + 3165.

22212400 is an apocalyptic number.

2212400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212400 is an abundant number, since it is smaller than the sum of its proper divisors (3103852).

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

2212400 is a wasteful number, since it uses less digits than its factorization.

2212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549 (or 5538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2212400 is about 1487.4138630522. The cubic root of 2212400 is about 130.3030405734.

Adding to 2212400 its reverse (42122), we get a palindrome (2254522).

The spelling of 2212400 in words is "two million, two hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 5531 11062 22124 27655 44248 55310 88496 110620 138275 221240 276550 442480 553100 1106200 2212400