Base | Representation |
---|---|
bin | 111010011010… |
… | …1001010010001 |
3 | 2010121222120221 |
4 | 1310311022101 |
5 | 30320021244 |
6 | 3012233041 |
7 | 521214640 |
oct | 164651221 |
9 | 63558527 |
10 | 30626449 |
11 | 16319117 |
12 | a30b781 |
13 | 6464179 |
14 | 40d3357 |
15 | 2a4e784 |
hex | 1d35291 |
30626449 has 8 divisors (see below), whose sum is σ = 35816000. Its totient is φ = 25640496.
The previous prime is 30626447. The next prime is 30626473. The reversal of 30626449 is 94462603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30626449 - 21 = 30626447 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30626443) 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, 50574 + ... + 51175.
It is an arithmetic number, because the mean of its divisors is an integer number (4477000).
Almost surely, 230626449 is an apocalyptic number.
It is an amenable number.
30626449 is a deficient number, since it is larger than the sum of its proper divisors (5189551).
30626449 is a wasteful number, since it uses less digits than its factorization.
30626449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101799.
The product of its (nonzero) digits is 31104, while the sum is 34.
The square root of 30626449 is about 5534.1168220413. The cubic root of 30626449 is about 312.8711715535.
The spelling of 30626449 in words is "thirty million, six hundred twenty-six thousand, four hundred forty-nine".
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