Base | Representation |
---|---|
bin | 111010110010… |
… | …1111000100011 |
3 | 2011000010100102 |
4 | 1311211320203 |
5 | 30342413034 |
6 | 3020413015 |
7 | 523005530 |
oct | 165457043 |
9 | 64003312 |
10 | 30826019 |
11 | 16445054 |
12 | a3a716b |
13 | 6503c63 |
14 | 4145d87 |
15 | 2a8d97e |
hex | 1d65e23 |
30826019 has 8 divisors (see below), whose sum is σ = 35894880. Its totient is φ = 25923456.
The previous prime is 30826013. The next prime is 30826039. The reversal of 30826019 is 91062803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30826019 - 28 = 30825763 is a prime.
It is a super-2 number, since 2×308260192 = 1900486894776722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30825982 and 30826000.
It is not an unprimeable number, because it can be changed into a prime (30826013) 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, 41174 + ... + 41915.
It is an arithmetic number, because the mean of its divisors is an integer number (4486860).
Almost surely, 230826019 is an apocalyptic number.
30826019 is a deficient number, since it is larger than the sum of its proper divisors (5068861).
30826019 is an equidigital number, since it uses as much as digits as its factorization.
30826019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83149.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 30826019 is about 5552.1184245295. The cubic root of 30826019 is about 313.5492843840.
The spelling of 30826019 in words is "thirty million, eight hundred twenty-six thousand, nineteen".
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