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32013425 = 521280537
BaseRepresentation
bin111101000011…
…1110001110001
32020020110011102
41322013301301
531143412200
63102054145
7536052413
oct172076161
966213142
1032013425
1117086184
12a87a355
13682b572
1443749b3
152c256d5
hex1e87c71

32013425 has 6 divisors (see below), whose sum is σ = 39696678. Its totient is φ = 25610720.

The previous prime is 32013391. The next prime is 32013427. The reversal of 32013425 is 52431023.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8111104 + 23902321 = 2848^2 + 4889^2 .

It is not a de Polignac number, because 32013425 - 210 = 32012401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32013397 and 32013406.

It is not an unprimeable number, because it can be changed into a prime (32013427) 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, 640244 + ... + 640293.

It is an arithmetic number, because the mean of its divisors is an integer number (6616113).

Almost surely, 232013425 is an apocalyptic number.

It is an amenable number.

32013425 is a deficient number, since it is larger than the sum of its proper divisors (7683253).

32013425 is a wasteful number, since it uses less digits than its factorization.

32013425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280547 (or 1280542 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 32013425 is about 5658.0407386303. The cubic root of 32013425 is about 317.5246018095.

Adding to 32013425 its reverse (52431023), we get a palindrome (84444448).

The spelling of 32013425 in words is "thirty-two million, thirteen thousand, four hundred twenty-five".

Divisors: 1 5 25 1280537 6402685 32013425