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1402525 = 5256101
BaseRepresentation
bin101010110011010011101
32122020220101
411112122131
5324340100
650021101
714630665
oct5263235
92566811
101402525
11878813
12577791
133a14c7
142871a5
151ca86a
hex15669d

1402525 has 6 divisors (see below), whose sum is σ = 1739162. Its totient is φ = 1122000.

The previous prime is 1402519. The next prime is 1402529. The reversal of 1402525 is 5252041.

It can be written as a sum of positive squares in 3 ways, for example, as 143641 + 1258884 = 379^2 + 1122^2 .

It is not a de Polignac number, because 1402525 - 25 = 1402493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402529) 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, 28026 + ... + 28075.

21402525 is an apocalyptic number.

It is an amenable number.

1402525 is a deficient number, since it is larger than the sum of its proper divisors (336637).

1402525 is an equidigital number, since it uses as much as digits as its factorization.

1402525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56111 (or 56106 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1402525 is about 1184.2824831939. The cubic root of 1402525 is about 111.9361083296.

Adding to 1402525 its reverse (5252041), we get a palindrome (6654566).

The spelling of 1402525 in words is "one million, four hundred two thousand, five hundred twenty-five".

Divisors: 1 5 25 56101 280505 1402525