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2147293 = 4183631
BaseRepresentation
bin1000001100001111011101
311001002112101
420030033131
51022203133
6114005101
724152221
oct10141735
94032471
102147293
111237325
12876791
135a24b5
143dc781
152c637d
hex20c3dd

2147293 has 8 divisors (see below), whose sum is σ = 2229696. Its totient is φ = 2066400.

The previous prime is 2147281. The next prime is 2147297. The reversal of 2147293 is 3927412.

2147293 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 a de Polignac number, because none of the positive numbers 2k-2147293 is a prime.

It is a super-2 number, since 2×21472932 = 9221734455698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147297) 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, 3088 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (278712).

22147293 is an apocalyptic number.

It is an amenable number.

2147293 is a deficient number, since it is larger than the sum of its proper divisors (82403).

2147293 is an equidigital number, since it uses as much as digits as its factorization.

2147293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 3024, while the sum is 28.

The square root of 2147293 is about 1465.3644597847. The cubic root of 2147293 is about 129.0120974974.

The spelling of 2147293 in words is "two million, one hundred forty-seven thousand, two hundred ninety-three".

Divisors: 1 41 83 631 3403 25871 52373 2147293