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42063425 = 521682537
BaseRepresentation
bin1010000001110…
…1011001000001
32221011001011122
42200131121001
541232012200
64101322025
71020350615
oct240353101
987131148
1042063425
112181a968
1212106315
138939b01
14582d345
153a5d385
hex281d641

42063425 has 6 divisors (see below), whose sum is σ = 52158678. Its totient is φ = 33650720.

The previous prime is 42063421. The next prime is 42063433. The reversal of 42063425 is 52436024.

It can be written as a sum of positive squares in 3 ways, for example, as 6589489 + 35473936 = 2567^2 + 5956^2 .

It is not a de Polignac number, because 42063425 - 22 = 42063421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42063394 and 42063403.

It is not an unprimeable number, because it can be changed into a prime (42063421) 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, 841244 + ... + 841293.

It is an arithmetic number, because the mean of its divisors is an integer number (8693113).

Almost surely, 242063425 is an apocalyptic number.

It is an amenable number.

42063425 is a deficient number, since it is larger than the sum of its proper divisors (10095253).

42063425 is a wasteful number, since it uses less digits than its factorization.

42063425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682547 (or 1682542 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42063425 is about 6485.6321974037. The cubic root of 42063425 is about 347.7775502869. Note that the first 3 decimals are identical.

Adding to 42063425 its reverse (52436024), we get a palindrome (94499449).

The spelling of 42063425 in words is "forty-two million, sixty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 1682537 8412685 42063425