Base | Representation |
---|---|
bin | 111001101001… |
… | …0111101010111 |
3 | 2002212112211101 |
4 | 1303102331113 |
5 | 30214133330 |
6 | 2555450531 |
7 | 514621150 |
oct | 163227527 |
9 | 62775741 |
10 | 30224215 |
11 | 1607399a |
12 | a156a47 |
13 | 6353068 |
14 | 402a927 |
15 | 29c04ca |
hex | 1cd2f57 |
30224215 has 32 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 19229184.
The previous prime is 30224209. The next prime is 30224221. The reversal of 30224215 is 51242203.
It is an interprime number because it is at equal distance from previous prime (30224209) and next prime (30224221).
It is a cyclic number.
It is not a de Polignac number, because 30224215 - 27 = 30224087 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30224192 and 30224201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46684 + ... + 47326.
It is an arithmetic number, because the mean of its divisors is an integer number (1391040).
Almost surely, 230224215 is an apocalyptic number.
30224215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30224215 is a deficient number, since it is larger than the sum of its proper divisors (14289065).
30224215 is a wasteful number, since it uses less digits than its factorization.
30224215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 751.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 30224215 is about 5497.6554093541. The cubic root of 30224215 is about 311.4954279993.
Adding to 30224215 its reverse (51242203), we get a palindrome (81466418).
The spelling of 30224215 in words is "thirty million, two hundred twenty-four thousand, two hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •