Base | Representation |
---|---|
bin | 111001101011… |
… | …0110111001111 |
3 | 2002220100202200 |
4 | 1303112313033 |
5 | 30220141312 |
6 | 3000052543 |
7 | 515015604 |
oct | 163266717 |
9 | 62810680 |
10 | 30240207 |
11 | 16084a08 |
12 | a164153 |
13 | 635a41a |
14 | 40326ab |
15 | 29c50dc |
hex | 1cd6dcf |
30240207 has 6 divisors (see below), whose sum is σ = 43680312. Its totient is φ = 20160132.
The previous prime is 30240187. The next prime is 30240209. The reversal of 30240207 is 70204203.
It is a happy number.
It is not a de Polignac number, because 30240207 - 26 = 30240143 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30240207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30240209) 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 5 ways as a sum of consecutive naturals, for example, 1680003 + ... + 1680020.
It is an arithmetic number, because the mean of its divisors is an integer number (7280052).
Almost surely, 230240207 is an apocalyptic number.
30240207 is a deficient number, since it is larger than the sum of its proper divisors (13440105).
30240207 is a wasteful number, since it uses less digits than its factorization.
30240207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3360029 (or 3360026 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 30240207 is about 5499.1096552078. The cubic root of 30240207 is about 311.5503569866.
The spelling of 30240207 in words is "thirty million, two hundred forty thousand, two hundred seven".
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