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1382993 = 10113693
BaseRepresentation
bin101010001101001010001
32121021002222
411101221101
5323223433
645350425
714520023
oct5215121
92537088
101382993
11865077
12568415
13395651
14280013
151c4b98
hex151a51

1382993 has 4 divisors (see below), whose sum is σ = 1396788. Its totient is φ = 1369200.

The previous prime is 1382989. The next prime is 1382999. The reversal of 1382993 is 3992831.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 18769 = 1168^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 1382993 - 22 = 1382989 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 (1382999) 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, 6746 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (349197).

21382993 is an apocalyptic number.

It is an amenable number.

1382993 is a deficient number, since it is larger than the sum of its proper divisors (13795).

1382993 is a wasteful number, since it uses less digits than its factorization.

1382993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13794.

The product of its digits is 11664, while the sum is 35.

The square root of 1382993 is about 1176.0072278689. The cubic root of 1382993 is about 111.4140583302.

The spelling of 1382993 in words is "one million, three hundred eighty-two thousand, nine hundred ninety-three".

Divisors: 1 101 13693 1382993