Base | Representation |
---|---|
bin | 10011110001001111000101 |
3 | 100202021220221 |
4 | 103301033011 |
5 | 2311314110 |
6 | 303024341 |
7 | 62023024 |
oct | 23611705 |
9 | 10667827 |
10 | 5182405 |
11 | 2a1a688 |
12 | 189b0b1 |
13 | 10c5b17 |
14 | 98c8bb |
15 | 6c57da |
hex | 4f13c5 |
5182405 has 16 divisors (see below), whose sum is σ = 6470640. Its totient is φ = 3981312.
The previous prime is 5182379. The next prime is 5182417. The reversal of 5182405 is 5042815.
It can be written as a sum of positive squares in 8 ways, for example, as 1595169 + 3587236 = 1263^2 + 1894^2 .
It is a 7-Lehmer number, since φ(5182405) divides (5182405-1)7.
It is a cyclic number.
It is not a de Polignac number, because 5182405 - 29 = 5181893 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 5182405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20037 + ... + 20293.
It is an arithmetic number, because the mean of its divisors is an integer number (404415).
Almost surely, 25182405 is an apocalyptic number.
It is an amenable number.
5182405 is a deficient number, since it is larger than the sum of its proper divisors (1288235).
5182405 is a wasteful number, since it uses less digits than its factorization.
5182405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408.
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 5182405 is about 2276.4896222034. The cubic root of 5182405 is about 173.0521967083.
It can be divided in two parts, 5 and 182405, that multiplied together give a square (912025 = 9552).
The spelling of 5182405 in words is "five million, one hundred eighty-two thousand, four hundred five".
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