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1383625 = 5311069
BaseRepresentation
bin101010001110011001001
32121021222101
411101303021
5323234000
645353401
714521615
oct5216311
92537871
101383625
118655a1
12568861
13395a19
14280345
151c4e6a
hex151cc9

1383625 has 8 divisors (see below), whose sum is σ = 1726920. Its totient is φ = 1106800.

The previous prime is 1383607. The next prime is 1383653. The reversal of 1383625 is 5263831.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 1121481 = 512^2 + 1059^2 .

It is not a de Polignac number, because 1383625 - 25 = 1383593 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1383593 and 1383602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410 + ... + 5659.

It is an arithmetic number, because the mean of its divisors is an integer number (215865).

21383625 is an apocalyptic number.

It is an amenable number.

1383625 is a deficient number, since it is larger than the sum of its proper divisors (343295).

1383625 is an equidigital number, since it uses as much as digits as its factorization.

1383625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084 (or 11074 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1383625 is about 1176.2759030092. The cubic root of 1383625 is about 111.4310270740.

It can be divided in two parts, 13836 and 25, that added together give a triangular number (13861 = T166).

The spelling of 1383625 in words is "one million, three hundred eighty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 11069 55345 276725 1383625