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2025439 = 13347449
BaseRepresentation
bin111101110011111011111
310210220101021
413232133133
51004303224
6111225011
723134033
oct7563737
93726337
102025439
111163819
12818167
1355bbb0
143aa1c3
152a01e4
hex1ee7df

2025439 has 8 divisors (see below), whose sum is σ = 2192400. Its totient is φ = 1860096.

The previous prime is 2025437. The next prime is 2025467. The reversal of 2025439 is 9345202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2025439 - 21 = 2025437 is a prime.

It is a d-powerful number, because it can be written as 23 + 0 + 27 + 59 + 48 + 38 + 92 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4287 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (274050).

22025439 is an apocalyptic number.

2025439 is a deficient number, since it is larger than the sum of its proper divisors (166961).

2025439 is a wasteful number, since it uses less digits than its factorization.

2025439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

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

The square root of 2025439 is about 1423.1791875937. The cubic root of 2025439 is about 126.5240415283.

The spelling of 2025439 in words is "two million, twenty-five thousand, four hundred thirty-nine".

Divisors: 1 13 347 449 4511 5837 155803 2025439