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5628815 = 51125763
BaseRepresentation
bin10101011110001110001111
3101120222021122
4111132032033
52420110230
6320351155
765562353
oct25361617
911528248
105628815
1131a5015
121a754bb
13122107a
14a67463
15762be5
hex55e38f

5628815 has 4 divisors (see below), whose sum is σ = 6754584. Its totient is φ = 4503048.

The previous prime is 5628797. The next prime is 5628839. The reversal of 5628815 is 5188265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5188265 = 51037653.

It is a cyclic number.

It is not a de Polignac number, because 5628815 - 218 = 5366671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562877 + ... + 562886.

It is an arithmetic number, because the mean of its divisors is an integer number (1688646).

Almost surely, 25628815 is an apocalyptic number.

5628815 is a deficient number, since it is larger than the sum of its proper divisors (1125769).

5628815 is a wasteful number, since it uses less digits than its factorization.

5628815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125768.

The product of its digits is 19200, while the sum is 35.

The square root of 5628815 is about 2372.5123814219. The cubic root of 5628815 is about 177.8848622064.

The spelling of 5628815 in words is "five million, six hundred twenty-eight thousand, eight hundred fifteen".

Divisors: 1 5 1125763 5628815