Base | Representation |
---|---|
bin | 111010110010… |
… | …1111100111001 |
3 | 2011000010201201 |
4 | 1311211330321 |
5 | 30342420142 |
6 | 3020414201 |
7 | 523006405 |
oct | 165457471 |
9 | 64003651 |
10 | 30826297 |
11 | 16445287 |
12 | a3a7361 |
13 | 6504118 |
14 | 4146105 |
15 | 2a8dab7 |
hex | 1d65f39 |
30826297 has 4 divisors (see below), whose sum is σ = 30868096. Its totient is φ = 30784500.
The previous prime is 30826273. The next prime is 30826319. The reversal of 30826297 is 79262803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79262803 = 43 ⋅1843321.
It is a cyclic number.
It is not a de Polignac number, because 30826297 - 219 = 30302009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30826207) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19773 + ... + 21274.
It is an arithmetic number, because the mean of its divisors is an integer number (7717024).
Almost surely, 230826297 is an apocalyptic number.
It is an amenable number.
30826297 is a deficient number, since it is larger than the sum of its proper divisors (41799).
30826297 is an equidigital number, since it uses as much as digits as its factorization.
30826297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41798.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 30826297 is about 5552.1434599621. The cubic root of 30826297 is about 313.5502269475.
The spelling of 30826297 in words is "thirty million, eight hundred twenty-six thousand, two hundred ninety-seven".
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