Base | Representation |
---|---|
bin | 111001111000… |
… | …1011110010111 |
3 | 2010002220021201 |
4 | 1303301132113 |
5 | 30232133312 |
6 | 3002253331 |
7 | 515651440 |
oct | 163613627 |
9 | 63086251 |
10 | 30349207 |
11 | 16149899 |
12 | a1b7247 |
13 | 6397c15 |
14 | 40602c7 |
15 | 29e7557 |
hex | 1cf1797 |
30349207 has 8 divisors (see below), whose sum is σ = 34744832. Its totient is φ = 25968600.
The previous prime is 30349181. The next prime is 30349211. The reversal of 30349207 is 70294303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30349207 - 27 = 30349079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30349807) 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, 982 + ... + 7852.
It is an arithmetic number, because the mean of its divisors is an integer number (4343104).
Almost surely, 230349207 is an apocalyptic number.
30349207 is a deficient number, since it is larger than the sum of its proper divisors (4395625).
30349207 is an equidigital number, since it uses as much as digits as its factorization.
30349207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7509.
The product of its (nonzero) digits is 4536, while the sum is 28.
The square root of 30349207 is about 5509.0114358204. The cubic root of 30349207 is about 311.9242330539.
The spelling of 30349207 in words is "thirty million, three hundred forty-nine thousand, two hundred seven".
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