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45105325 = 521804213
BaseRepresentation
bin1010110000010…
…0000010101101
310010212120212121
42230010002231
543021332300
64250432541
71055250256
oct254040255
9103776777
1045105325
1123508331
1213132751
139463555
145dc1b2d
153e5e81a
hex2b040ad

45105325 has 6 divisors (see below), whose sum is σ = 55930634. Its totient is φ = 36084240.

The previous prime is 45105311. The next prime is 45105337. The reversal of 45105325 is 52350154.

It can be written as a sum of positive squares in 3 ways, for example, as 14424804 + 30680521 = 3798^2 + 5539^2 .

It is not a de Polignac number, because 45105325 - 213 = 45097133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1804213 = 45105325 / (4 + 5 + 1 + 0 + 5 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45105325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 902082 + ... + 902131.

Almost surely, 245105325 is an apocalyptic number.

It is an amenable number.

45105325 is a deficient number, since it is larger than the sum of its proper divisors (10825309).

45105325 is a wasteful number, since it uses less digits than its factorization.

45105325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804223 (or 1804218 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45105325 is about 6716.0498062477. The cubic root of 45105325 is about 355.9666177721.

Adding to 45105325 its reverse (52350154), we get a palindrome (97455479).

The spelling of 45105325 in words is "forty-five million, one hundred five thousand, three hundred twenty-five".

Divisors: 1 5 25 1804213 9021065 45105325