Base | Representation |
---|---|
bin | 111001101000… |
… | …1000000111110 |
3 | 2002212010220112 |
4 | 1303101000332 |
5 | 30213410004 |
6 | 2555350022 |
7 | 514556015 |
oct | 163210076 |
9 | 62763815 |
10 | 30216254 |
11 | 16068a12 |
12 | a152312 |
13 | 634c553 |
14 | 4027a7c |
15 | 29bce6e |
hex | 1cd103e |
30216254 has 16 divisors (see below), whose sum is σ = 46446048. Its totient is φ = 14737632.
The previous prime is 30216239. The next prime is 30216257. The reversal of 30216254 is 45261203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30216257) 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, 20159 + ... + 21605.
It is an arithmetic number, because the mean of its divisors is an integer number (2902878).
Almost surely, 230216254 is an apocalyptic number.
30216254 is a deficient number, since it is larger than the sum of its proper divisors (16229794).
30216254 is a wasteful number, since it uses less digits than its factorization.
30216254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1699.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 30216254 is about 5496.9313257489. The cubic root of 30216254 is about 311.4680764992.
Adding to 30216254 its reverse (45261203), we get a palindrome (75477457).
The spelling of 30216254 in words is "thirty million, two hundred sixteen thousand, two hundred fifty-four".
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