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2143794 = 23431829
BaseRepresentation
bin1000001011011000110010
311000220201210
420023120302
51022100134
6113540550
724136062
oct10133062
94026653
102143794
111234734
12874756
135a0a23
143db3a2
152c52e9
hex20b632

2143794 has 16 divisors (see below), whose sum is σ = 4302720. Its totient is φ = 712080.

The previous prime is 2143793. The next prime is 2143829. The reversal of 2143794 is 4973412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2143793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172 + ... + 3000.

It is an arithmetic number, because the mean of its divisors is an integer number (268920).

22143794 is an apocalyptic number.

2143794 is an abundant number, since it is smaller than the sum of its proper divisors (2158926).

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

2143794 is a wasteful number, since it uses less digits than its factorization.

2143794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its digits is 6048, while the sum is 30.

The square root of 2143794 is about 1464.1700720886. The cubic root of 2143794 is about 128.9419846090.

The spelling of 2143794 in words is "two million, one hundred forty-three thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 431 829 862 1293 1658 2487 2586 4974 357299 714598 1071897 2143794