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1338225 = 35272549
BaseRepresentation
bin101000110101101110001
32111222200220
411012231301
5320310400
644403253
714242350
oct5065561
92458626
101338225
11834479
12546529
1337b165
1426b997
151b67a0
hex146b71

1338225 has 24 divisors (see below), whose sum is σ = 2529600. Its totient is φ = 611520.

The previous prime is 1338217. The next prime is 1338229. The reversal of 1338225 is 5228331.

It is not a de Polignac number, because 1338225 - 23 = 1338217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1338195 and 1338204.

It is not an unprimeable number, because it can be changed into a prime (1338229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 750 + ... + 1799.

It is an arithmetic number, because the mean of its divisors is an integer number (105400).

21338225 is an apocalyptic number.

1338225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1338225 is a deficient number, since it is larger than the sum of its proper divisors (1191375).

1338225 is a wasteful number, since it uses less digits than its factorization.

1338225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2564 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1338225 is about 1156.8167529907. The cubic root of 1338225 is about 110.1986767561.

The spelling of 1338225 in words is "one million, three hundred thirty-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 2549 7647 12745 17843 38235 53529 63725 89215 191175 267645 446075 1338225