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4505285 = 54121977
BaseRepresentation
bin10001001011111011000101
322110220002102
4101023323011
52123132120
6240321445
753202641
oct21137305
98426072
104505285
1125a7984
121613285
13c19865
14853c21
155ded75
hex44bec5

4505285 has 8 divisors (see below), whose sum is σ = 5538456. Its totient is φ = 3516160.

The previous prime is 4505257. The next prime is 4505287. The reversal of 4505285 is 5825054.

It can be written as a sum of positive squares in 4 ways, for example, as 2401 + 4502884 = 49^2 + 2122^2 .

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

It is not a de Polignac number, because 4505285 - 28 = 4505029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10784 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (692307).

Almost surely, 24505285 is an apocalyptic number.

It is an amenable number.

4505285 is a deficient number, since it is larger than the sum of its proper divisors (1033171).

4505285 is a wasteful number, since it uses less digits than its factorization.

4505285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22023.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4505285 is about 2122.5656644731. The cubic root of 4505285 is about 165.1609693275.

The spelling of 4505285 in words is "four million, five hundred five thousand, two hundred eighty-five".

Divisors: 1 5 41 205 21977 109885 901057 4505285