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2149563 = 31355117
BaseRepresentation
bin1000001100110010111011
311001012122110
420030302323
51022241223
6114023403
724161643
oct10146273
94035573
102149563
111238aa9
12877b63
135a3540
143dd523
152c6d93
hex20ccbb

2149563 has 8 divisors (see below), whose sum is σ = 3086608. Its totient is φ = 1322784.

The previous prime is 2149559. The next prime is 2149573. The reversal of 2149563 is 3659412.

2149563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2149563 - 22 = 2149559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2149563.

It is not an unprimeable number, because it can be changed into a prime (2149573) 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 7 ways as a sum of consecutive naturals, for example, 27520 + ... + 27597.

It is an arithmetic number, because the mean of its divisors is an integer number (385826).

22149563 is an apocalyptic number.

2149563 is a deficient number, since it is larger than the sum of its proper divisors (937045).

2149563 is a wasteful number, since it uses less digits than its factorization.

2149563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55133.

The product of its digits is 6480, while the sum is 30.

The square root of 2149563 is about 1466.1388065255. The cubic root of 2149563 is about 129.0575429837.

The spelling of 2149563 in words is "two million, one hundred forty-nine thousand, five hundred sixty-three".

Divisors: 1 3 13 39 55117 165351 716521 2149563