Base | Representation |
---|---|
bin | 11101110011111… |
… | …001110011111101 |
3 | 1021212010000111220 |
4 | 131303321303331 |
5 | 2011014123110 |
6 | 121343503553 |
7 | 15252110604 |
oct | 3563716375 |
9 | 1255100456 |
10 | 500145405 |
11 | 237356711 |
12 | 11b5b7bb9 |
13 | 7c806336 |
14 | 4a5d2a3b |
15 | 2dd96370 |
hex | 1dcf9cfd |
500145405 has 32 divisors (see below), whose sum is σ = 816757248. Its totient is φ = 261273600.
The previous prime is 500145403. The next prime is 500145409. The reversal of 500145405 is 504541005.
It is not a de Polignac number, because 500145405 - 21 = 500145403 is a prime.
It is a super-2 number, since 2×5001454052 = 500290852285228050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (500145403) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246957 + ... + 248973.
It is an arithmetic number, because the mean of its divisors is an integer number (25523664).
Almost surely, 2500145405 is an apocalyptic number.
It is an amenable number.
500145405 is a deficient number, since it is larger than the sum of its proper divisors (316611843).
500145405 is a wasteful number, since it uses less digits than its factorization.
500145405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2357.
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 500145405 is about 22363.9308932933. The cubic root of 500145405 is about 793.7774572104. Note that the first 3 decimals are identical.
The spelling of 500145405 in words is "five hundred million, one hundred forty-five thousand, four hundred five".
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