Base | Representation |
---|---|
bin | 111001101001… |
… | …1111000011111 |
3 | 2002212202000112 |
4 | 1303103320133 |
5 | 30214243444 |
6 | 2555520235 |
7 | 514635164 |
oct | 163237037 |
9 | 62782015 |
10 | 30227999 |
11 | 1607681a |
12 | a15907b |
13 | 63549b9 |
14 | 402c06b |
15 | 29c169e |
hex | 1cd3e1f |
30227999 has 2 divisors, whose sum is σ = 30228000. Its totient is φ = 30227998.
The previous prime is 30227971. The next prime is 30228041. The reversal of 30227999 is 99972203.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30227999 - 212 = 30223903 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30227929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113999 + 15114000.
It is an arithmetic number, because the mean of its divisors is an integer number (15114000).
Almost surely, 230227999 is an apocalyptic number.
30227999 is a deficient number, since it is larger than the sum of its proper divisors (1).
30227999 is an equidigital number, since it uses as much as digits as its factorization.
30227999 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 61236, while the sum is 41.
The square root of 30227999 is about 5497.9995452892. Note that the first 3 decimals coincide. The cubic root of 30227999 is about 311.5084269530.
The spelling of 30227999 in words is "thirty million, two hundred twenty-seven thousand, nine hundred ninety-nine".
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