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1384293 = 31727143
BaseRepresentation
bin101010001111101100101
32121022220010
411101331211
5323244133
645400433
714523561
oct5217545
92538803
101384293
11866049
12569119
13396111
142806a1
151c5263
hex151f65

1384293 has 8 divisors (see below), whose sum is σ = 1954368. Its totient is φ = 868544.

The previous prime is 1384249. The next prime is 1384303. The reversal of 1384293 is 3924831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1384293 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1384293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384193) 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, 13521 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (244296).

21384293 is an apocalyptic number.

It is an amenable number.

1384293 is a deficient number, since it is larger than the sum of its proper divisors (570075).

1384293 is a wasteful number, since it uses less digits than its factorization.

1384293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27163.

The product of its digits is 5184, while the sum is 30.

The square root of 1384293 is about 1176.5598157340. The cubic root of 1384293 is about 111.4489567757.

The spelling of 1384293 in words is "one million, three hundred eighty-four thousand, two hundred ninety-three".

Divisors: 1 3 17 51 27143 81429 461431 1384293