Base | Representation |
---|---|
bin | 111001101001… |
… | …0000000000111 |
3 | 2002212100110012 |
4 | 1303102000013 |
5 | 30214022140 |
6 | 2555420435 |
7 | 514603550 |
oct | 163220007 |
9 | 62770405 |
10 | 30220295 |
11 | 16070a56 |
12 | a15471b |
13 | 6351341 |
14 | 4029327 |
15 | 29be265 |
hex | 1cd2007 |
30220295 has 16 divisors (see below), whose sum is σ = 42329088. Its totient is φ = 20280480.
The previous prime is 30220277. The next prime is 30220327. The reversal of 30220295 is 59202203.
It is not a de Polignac number, because 30220295 - 214 = 30203911 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30220295.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7541 + ... + 10830.
It is an arithmetic number, because the mean of its divisors is an integer number (2645568).
Almost surely, 230220295 is an apocalyptic number.
30220295 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30220295 is a deficient number, since it is larger than the sum of its proper divisors (12108793).
30220295 is a wasteful number, since it uses less digits than its factorization.
30220295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18430.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 30220295 is about 5497.2988821784. The cubic root of 30220295 is about 311.4819607086.
Adding to 30220295 its reverse (59202203), we get a palindrome (89422498).
The spelling of 30220295 in words is "thirty million, two hundred twenty thousand, two hundred ninety-five".
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