Base | Representation |
---|---|
bin | 11001101000110… |
… | …010101101111101 |
3 | 1002222100120001212 |
4 | 121220302231331 |
5 | 1340102431101 |
6 | 110403014205 |
7 | 13441664354 |
oct | 3150625575 |
9 | 1088316055 |
10 | 430123901 |
11 | 2008804a9 |
12 | 10006a365 |
13 | 6b15aaac |
14 | 411a699b |
15 | 27b641bb |
hex | 19a32b7d |
430123901 has 2 divisors, whose sum is σ = 430123902. Its totient is φ = 430123900.
The previous prime is 430123879. The next prime is 430123979. The reversal of 430123901 is 109321034.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 246521401 + 183602500 = 15701^2 + 13550^2 .
It is a cyclic number.
It is not a de Polignac number, because 430123901 - 222 = 425929597 is a prime.
It is a super-2 number, since 2×4301239012 = 370013140422915602, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (430125901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215061950 + 215061951.
It is an arithmetic number, because the mean of its divisors is an integer number (215061951).
Almost surely, 2430123901 is an apocalyptic number.
It is an amenable number.
430123901 is a deficient number, since it is larger than the sum of its proper divisors (1).
430123901 is an equidigital number, since it uses as much as digits as its factorization.
430123901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 430123901 is about 20739.4286565469. The cubic root of 430123901 is about 754.8567194445.
Adding to 430123901 its reverse (109321034), we get a palindrome (539444935).
The spelling of 430123901 in words is "four hundred thirty million, one hundred twenty-three thousand, nine hundred one".
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