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2148843 = 31937699
BaseRepresentation
bin1000001100100111101011
311001011122210
420030213223
51022230333
6114020203
724156564
oct10144753
94034583
102148843
111238504
12877663
135a3108
143dd16b
152c6a63
hex20c9eb

2148843 has 8 divisors (see below), whose sum is σ = 3016000. Its totient is φ = 1357128.

The previous prime is 2148803. The next prime is 2148857. The reversal of 2148843 is 3488412.

2148843 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 2148843 - 218 = 1886699 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2148843.

It is not an unprimeable number, because it can be changed into a prime (2148803) 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, 18793 + ... + 18906.

It is an arithmetic number, because the mean of its divisors is an integer number (377000).

22148843 is an apocalyptic number.

2148843 is a deficient number, since it is larger than the sum of its proper divisors (867157).

2148843 is a wasteful number, since it uses less digits than its factorization.

2148843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37721.

The product of its digits is 6144, while the sum is 30.

The square root of 2148843 is about 1465.8932430433. The cubic root of 2148843 is about 129.0431320224.

The spelling of 2148843 in words is "two million, one hundred forty-eight thousand, eight hundred forty-three".

Divisors: 1 3 19 57 37699 113097 716281 2148843