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42080325 = 352780153
BaseRepresentation
bin1010000010000…
…1100001000101
32221011220100120
42200201201011
541233032300
64101532153
71020451110
oct240414105
987156316
1042080325
1121831631
1212114059
138944701
145835577
153a633a0
hex2821845

42080325 has 24 divisors (see below), whose sum is σ = 79512768. Its totient is φ = 19236480.

The previous prime is 42080303. The next prime is 42080327. The reversal of 42080325 is 52308024.

It is not a de Polignac number, because 42080325 - 27 = 42080197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42080295 and 42080304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42080327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39552 + ... + 40601.

It is an arithmetic number, because the mean of its divisors is an integer number (3313032).

Almost surely, 242080325 is an apocalyptic number.

It is an amenable number.

42080325 is a deficient number, since it is larger than the sum of its proper divisors (37432443).

42080325 is a wasteful number, since it uses less digits than its factorization.

42080325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80173 (or 80168 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42080325 is about 6486.9349464905. The cubic root of 42080325 is about 347.8241200693.

Adding to 42080325 its reverse (52308024), we get a palindrome (94388349).

The spelling of 42080325 in words is "forty-two million, eighty thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 80153 240459 400765 561071 1202295 1683213 2003825 2805355 6011475 8416065 14026775 42080325