Base | Representation |
---|---|
bin | 10010010011111… |
… | …100111100101110 |
3 | 210102002101222112 |
4 | 102103330330232 |
5 | 1112122022040 |
6 | 50252444022 |
7 | 10420220630 |
oct | 2223747456 |
9 | 712071875 |
10 | 307220270 |
11 | 148466155 |
12 | 86a79612 |
13 | 4b858356 |
14 | 2cb32a50 |
15 | 1be88365 |
hex | 124fcf2e |
307220270 has 16 divisors (see below), whose sum is σ = 631996128. Its totient is φ = 105332640.
The previous prime is 307220231. The next prime is 307220273. The reversal of 307220270 is 72022703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307220273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194361 + ... + 2194500.
It is an arithmetic number, because the mean of its divisors is an integer number (39499758).
Almost surely, 2307220270 is an apocalyptic number.
307220270 is an abundant number, since it is smaller than the sum of its proper divisors (324775858).
307220270 is a wasteful number, since it uses less digits than its factorization.
307220270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4388875.
The product of its (nonzero) digits is 1176, while the sum is 23.
The square root of 307220270 is about 17527.7000773062. The cubic root of 307220270 is about 674.7609725227.
Adding to 307220270 its reverse (72022703), we get a palindrome (379242973).
The spelling of 307220270 in words is "three hundred seven million, two hundred twenty thousand, two hundred seventy".
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