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2286142 = 21143071
BaseRepresentation
bin1000101110001000111110
311022010222221
420232020332
51041124032
6120555554
725301065
oct10561076
94263887
102286142
111321681
12922bba
13620761
144371dc
15302597
hex22e23e

2286142 has 4 divisors (see below), whose sum is σ = 3429216. Its totient is φ = 1143070.

The previous prime is 2286139. The next prime is 2286149. The reversal of 2286142 is 2416822.

It is a happy number.

2286142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286149) 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 as a sum of consecutive naturals, namely, 571534 + ... + 571537.

It is an arithmetic number, because the mean of its divisors is an integer number (857304).

22286142 is an apocalyptic number.

2286142 is a deficient number, since it is larger than the sum of its proper divisors (1143074).

2286142 is a wasteful number, since it uses less digits than its factorization.

2286142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143073.

The product of its digits is 1536, while the sum is 25.

The square root of 2286142 is about 1511.9993386242. Note that the first 3 decimals coincide. The cubic root of 2286142 is about 131.7349671453.

The spelling of 2286142 in words is "two million, two hundred eighty-six thousand, one hundred forty-two".

Divisors: 1 2 1143071 2286142