Base | Representation |
---|---|
bin | 10011101000110010001001 |
3 | 100200112102201 |
4 | 103220302021 |
5 | 2304212120 |
6 | 302200201 |
7 | 61520056 |
oct | 23506211 |
9 | 10615381 |
10 | 5147785 |
11 | 29a6675 |
12 | 1883061 |
13 | 10b3136 |
14 | 98002d |
15 | 6ba40a |
hex | 4e8c89 |
5147785 has 8 divisors (see below), whose sum is σ = 6193800. Its totient is φ = 4107264.
The previous prime is 5147749. The next prime is 5147789. The reversal of 5147785 is 5877415.
It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 4782969 = 604^2 + 2187^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5147785 - 27 = 5147657 is a prime.
It is a super-3 number, since 3×51477853 (a number of 21 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (5147789) 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, 1099 + ... + 3391.
It is an arithmetic number, because the mean of its divisors is an integer number (774225).
Almost surely, 25147785 is an apocalyptic number.
It is an amenable number.
5147785 is a deficient number, since it is larger than the sum of its proper divisors (1046015).
5147785 is a wasteful number, since it uses less digits than its factorization.
5147785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2747.
The product of its digits is 39200, while the sum is 37.
The square root of 5147785 is about 2268.8730682874. The cubic root of 5147785 is about 172.6659887936.
The spelling of 5147785 in words is "five million, one hundred forty-seven thousand, seven hundred eighty-five".
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