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1350625 = 542161
BaseRepresentation
bin101001001101111100001
32112121201011
411021233201
5321210000
644540521
714323453
oct5115741
92477634
101350625
11842821
12551741
133839b3
142722d3
151ba2ba
hex149be1

1350625 has 10 divisors (see below), whose sum is σ = 1688522. Its totient is φ = 1080000.

The previous prime is 1350623. The next prime is 1350641. The reversal of 1350625 is 5260531.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 446224 + 904401 = 668^2 + 951^2 .

It is not a de Polignac number, because 1350625 - 21 = 1350623 is a prime.

It is a Duffinian number.

1350625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1350596 and 1350605.

It is not an unprimeable number, because it can be changed into a prime (1350623) 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 9 ways as a sum of consecutive naturals, for example, 456 + ... + 1705.

21350625 is an apocalyptic number.

It is an amenable number.

1350625 is a deficient number, since it is larger than the sum of its proper divisors (337897).

1350625 is an frugal number, since it uses more digits than its factorization.

1350625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1350625 is about 1162.1639299169. The cubic root of 1350625 is about 110.5379980292.

It can be divided in two parts, 13506 and 25, that added together give a palindrome (13531).

The spelling of 1350625 in words is "one million, three hundred fifty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 2161 10805 54025 270125 1350625