Base | Representation |
---|---|
bin | 111010000000… |
… | …0110111100111 |
3 | 2010020002210010 |
4 | 1310000313213 |
5 | 30241143023 |
6 | 3003501303 |
7 | 516333330 |
oct | 164006747 |
9 | 63202703 |
10 | 30412263 |
11 | 16192202 |
12 | a227833 |
13 | 63ba82b |
14 | 4079287 |
15 | 2a0b093 |
hex | 1d00de7 |
30412263 has 8 divisors (see below), whose sum is σ = 46342528. Its totient is φ = 17378424.
The previous prime is 30412259. The next prime is 30412267. The reversal of 30412263 is 36221403.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30412259) and next prime (30412267).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30412263 - 22 = 30412259 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1448203 = 30412263 / (3 + 0 + 4 + 1 + 2 + 2 + 6 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30412267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724081 + ... + 724122.
It is an arithmetic number, because the mean of its divisors is an integer number (5792816).
Almost surely, 230412263 is an apocalyptic number.
30412263 is a deficient number, since it is larger than the sum of its proper divisors (15930265).
30412263 is a wasteful number, since it uses less digits than its factorization.
30412263 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1448213.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 30412263 is about 5514.7314531172. The cubic root of 30412263 is about 312.1401100660.
Adding to 30412263 its reverse (36221403), we get a palindrome (66633666).
The spelling of 30412263 in words is "thirty million, four hundred twelve thousand, two hundred sixty-three".
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