Base | Representation |
---|---|
bin | 111010001111… |
… | …1001011010101 |
3 | 2010110102001222 |
4 | 1310133023111 |
5 | 30304131110 |
6 | 3010300125 |
7 | 520361264 |
oct | 164371325 |
9 | 63412058 |
10 | 30536405 |
11 | 162674a9 |
12 | a287645 |
13 | 64321a3 |
14 | 40ac5db |
15 | 2a32c55 |
hex | 1d1f2d5 |
30536405 has 8 divisors (see below), whose sum is σ = 36756384. Its totient is φ = 24354000.
The previous prime is 30536399. The next prime is 30536419. The reversal of 30536405 is 50463503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30536405 - 212 = 30532309 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 7 ways as a sum of consecutive naturals, for example, 7571 + ... + 10880.
It is an arithmetic number, because the mean of its divisors is an integer number (4594548).
Almost surely, 230536405 is an apocalyptic number.
It is an amenable number.
30536405 is a deficient number, since it is larger than the sum of its proper divisors (6219979).
30536405 is a wasteful number, since it uses less digits than its factorization.
30536405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18787.
The product of its (nonzero) digits is 5400, while the sum is 26.
The square root of 30536405 is about 5525.9754794968. The cubic root of 30536405 is about 312.5642491896.
Adding to 30536405 its reverse (50463503), we get a palindrome (80999908).
The spelling of 30536405 in words is "thirty million, five hundred thirty-six thousand, four hundred five".
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