Base | Representation |
---|---|
bin | 111001101001… |
… | …0000110010111 |
3 | 2002212101000000 |
4 | 1303102012113 |
5 | 30214030240 |
6 | 2555422343 |
7 | 514604661 |
oct | 163220627 |
9 | 62771000 |
10 | 30220695 |
11 | 1607128a |
12 | a1549b3 |
13 | 635158b |
14 | 4029531 |
15 | 29be430 |
hex | 1cd2197 |
30220695 has 28 divisors (see below), whose sum is σ = 54378936. Its totient is φ = 16115760.
The previous prime is 30220669. The next prime is 30220717. The reversal of 30220695 is 59602203.
It is not a de Polignac number, because 30220695 - 223 = 21832087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 501 + ... + 7790.
Almost surely, 230220695 is an apocalyptic number.
30220695 is a deficient number, since it is larger than the sum of its proper divisors (24158241).
30220695 is an frugal number, since it uses more digits than its factorization.
30220695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8314 (or 8299 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 30220695 is about 5497.3352635618. The cubic root of 30220695 is about 311.4833349753.
Adding to 30220695 its reverse (59602203), we get a palindrome (89822898).
The spelling of 30220695 in words is "thirty million, two hundred twenty thousand, six hundred ninety-five".
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