Base | Representation |
---|---|
bin | 111010000000… |
… | …1010100101001 |
3 | 2010020012022221 |
4 | 1310001110221 |
5 | 30241222441 |
6 | 3003514041 |
7 | 516341623 |
oct | 164012451 |
9 | 63205287 |
10 | 30414121 |
11 | 16193641 |
12 | a228921 |
13 | 63bb62a |
14 | 4079c13 |
15 | 2a0b8d1 |
hex | 1d01529 |
30414121 has 4 divisors (see below), whose sum is σ = 30499200. Its totient is φ = 30329044.
The previous prime is 30414113. The next prime is 30414133. The reversal of 30414121 is 12141403.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30414121 - 23 = 30414113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30414095 and 30414104.
It is not an unprimeable number, because it can be changed into a prime (30414101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42001 + ... + 42718.
It is an arithmetic number, because the mean of its divisors is an integer number (7624800).
Almost surely, 230414121 is an apocalyptic number.
It is an amenable number.
30414121 is a deficient number, since it is larger than the sum of its proper divisors (85079).
30414121 is an equidigital number, since it uses as much as digits as its factorization.
30414121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85078.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 30414121 is about 5514.8999084299. The cubic root of 30414121 is about 312.1464665426.
Adding to 30414121 its reverse (12141403), we get a palindrome (42555524).
The spelling of 30414121 in words is "thirty million, four hundred fourteen thousand, one hundred twenty-one".
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