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2154200 = 235210771
BaseRepresentation
bin1000001101111011011000
311001110000012
420031323120
51022413300
6114101052
724211316
oct10157330
94043005
102154200
111241534
1287a788
135a5699
144010b6
152c8435
hex20ded8

2154200 has 24 divisors (see below), whose sum is σ = 5008980. Its totient is φ = 861600.

The previous prime is 2154193. The next prime is 2154209. The reversal of 2154200 is 24512.

2154200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154209) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5186 + ... + 5585.

22154200 is an apocalyptic number.

2154200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154200 is an abundant number, since it is smaller than the sum of its proper divisors (2854780).

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

2154200 is a wasteful number, since it uses less digits than its factorization.

2154200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787 (or 10778 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2154200 is about 1467.7193192160. The cubic root of 2154200 is about 129.1502765653.

Adding to 2154200 its reverse (24512), we get a palindrome (2178712).

The spelling of 2154200 in words is "two million, one hundred fifty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 10771 21542 43084 53855 86168 107710 215420 269275 430840 538550 1077100 2154200