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1383325 = 5255333
BaseRepresentation
bin101010001101110011101
32121021120021
411101232131
5323231300
645352141
714521006
oct5215635
92537507
101383325
11865349
12568651
13395848
142801ad
151c4d1a
hex151b9d

1383325 has 6 divisors (see below), whose sum is σ = 1715354. Its totient is φ = 1106640.

The previous prime is 1383323. The next prime is 1383331. The reversal of 1383325 is 5233831.

It can be written as a sum of positive squares in 3 ways, for example, as 7396 + 1375929 = 86^2 + 1173^2 .

It is not a de Polignac number, because 1383325 - 21 = 1383323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 55333 = 1383325 / (1 + 3 + 8 + 3 + 3 + 2 + 5).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27642 + ... + 27691.

21383325 is an apocalyptic number.

It is an amenable number.

1383325 is a deficient number, since it is larger than the sum of its proper divisors (332029).

1383325 is an equidigital number, since it uses as much as digits as its factorization.

1383325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55343 (or 55338 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1383325 is about 1176.1483749936. The cubic root of 1383325 is about 111.4229729350.

It can be divided in two parts, 13 and 83325, that added together give a palindrome (83338).

The spelling of 1383325 in words is "one million, three hundred eighty-three thousand, three hundred twenty-five".

Divisors: 1 5 25 55333 276665 1383325