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5285645 = 51057129
BaseRepresentation
bin10100001010011100001101
3100221112112122
4110022130031
52323120040
6305142325
762633021
oct24123415
910845478
105285645
112a90202
12192a9a5
131130b01
149b8381
156e61b5
hex50a70d

5285645 has 4 divisors (see below), whose sum is σ = 6342780. Its totient is φ = 4228512.

The previous prime is 5285611. The next prime is 5285647. The reversal of 5285645 is 5465825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 4405801 = 938^2 + 2099^2 .

It is a cyclic number.

It is not a de Polignac number, because 5285645 - 28 = 5285389 is a prime.

It is a super-3 number, since 3×52856453 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528560 + ... + 528569.

It is an arithmetic number, because the mean of its divisors is an integer number (1585695).

Almost surely, 25285645 is an apocalyptic number.

It is an amenable number.

5285645 is a deficient number, since it is larger than the sum of its proper divisors (1057135).

5285645 is a wasteful number, since it uses less digits than its factorization.

5285645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057134.

The product of its digits is 48000, while the sum is 35.

The square root of 5285645 is about 2299.0530659382. The cubic root of 5285645 is about 174.1937881448.

The spelling of 5285645 in words is "five million, two hundred eighty-five thousand, six hundred forty-five".

Divisors: 1 5 1057129 5285645