Base | Representation |
---|---|
bin | 11001101001010… |
… | …001110110011101 |
3 | 1002222121000222211 |
4 | 121221101312131 |
5 | 1340121021141 |
6 | 110405440421 |
7 | 13443035215 |
oct | 3151216635 |
9 | 1088530884 |
10 | 430251421 |
11 | 200958296 |
12 | 100110111 |
13 | 6b1a3b52 |
14 | 411db245 |
15 | 27b8bd81 |
hex | 19a51d9d |
430251421 has 8 divisors (see below), whose sum is σ = 446831264. Its totient is φ = 413970480.
The previous prime is 430251413. The next prime is 430251433. The reversal of 430251421 is 124152034.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 430251421 - 23 = 430251413 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 430251392 and 430251401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (430251461) 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, 71790 + ... + 77551.
It is an arithmetic number, because the mean of its divisors is an integer number (55853908).
Almost surely, 2430251421 is an apocalyptic number.
It is an amenable number.
430251421 is a deficient number, since it is larger than the sum of its proper divisors (16579843).
430251421 is a wasteful number, since it uses less digits than its factorization.
430251421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149451.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 430251421 is about 20742.5027660598. The cubic root of 430251421 is about 754.9313102135.
The spelling of 430251421 in words is "four hundred thirty million, two hundred fifty-one thousand, four hundred twenty-one".
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