Base | Representation |
---|---|
bin | 10011110000101111110101 |
3 | 100202012011212 |
4 | 103300233311 |
5 | 2311233110 |
6 | 303011205 |
7 | 62014136 |
oct | 23605765 |
9 | 10665155 |
10 | 5180405 |
11 | 2a1912a |
12 | 1899b05 |
13 | 10c4c39 |
14 | 98bc8d |
15 | 6c4e05 |
hex | 4f0bf5 |
5180405 has 16 divisors (see below), whose sum is σ = 6562944. Its totient is φ = 3917760.
The previous prime is 5180353. The next prime is 5180419. The reversal of 5180405 is 5040815.
5180405 = T1437 + T1438 + ... + T1441.
5180405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 5180405 - 26 = 5180341 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
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 15 ways as a sum of consecutive naturals, for example, 12095 + ... + 12515.
It is an arithmetic number, because the mean of its divisors is an integer number (410184).
Almost surely, 25180405 is an apocalyptic number.
It is an amenable number.
5180405 is a deficient number, since it is larger than the sum of its proper divisors (1382539).
5180405 is a wasteful number, since it uses less digits than its factorization.
5180405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 556.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 5180405 is about 2276.0503070011. The cubic root of 5180405 is about 173.0299323396.
The spelling of 5180405 in words is "five million, one hundred eighty thousand, four hundred five".
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