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1384423 = 10313441
BaseRepresentation
bin101010001111111100111
32121100001221
411101333213
5323300143
645401211
714524135
oct5217747
92540057
101384423
11866157
12569207
133961b1
14280755
151c52ed
hex151fe7

1384423 has 4 divisors (see below), whose sum is σ = 1397968. Its totient is φ = 1370880.

The previous prime is 1384403. The next prime is 1384433. The reversal of 1384423 is 3244831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3244831 = 9373463.

It is a cyclic number.

It is not a de Polignac number, because 1384423 - 25 = 1384391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6618 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (349492).

21384423 is an apocalyptic number.

1384423 is a deficient number, since it is larger than the sum of its proper divisors (13545).

1384423 is a wasteful number, since it uses less digits than its factorization.

1384423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544.

The product of its digits is 2304, while the sum is 25.

The square root of 1384423 is about 1176.6150602470. The cubic root of 1384423 is about 111.4524454183.

The spelling of 1384423 in words is "one million, three hundred eighty-four thousand, four hundred twenty-three".

Divisors: 1 103 13441 1384423